)]}' { "log": [ { "commit": "ac88bcff2fa536e015a97e144b7190c740225144", "tree": "2b05cdf1d6d4f7b6aa99de96e1799b00c715d66f", "parents": [ "0fba3a1f39f8b0a50b56c8b068fa52131cbc84c2" ], "author": { "name": "Ben Dooks", "email": "ben-linux@fluff.org", "time": "Thu May 25 18:44:25 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri May 26 11:55:46 2006 -0700" }, "message": "[PATCH] s3c24xx: fix spi driver with CONFIG_PM\n\nFix compile bug with the S3C24XX SPI driver when CONFIG_PM is set.\n\nSigned-off-by: Ben Dooks \u003cben-linux@fluff.org\u003e\nCc: David Brownell \u003cdavid-b@pacbell.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "5daa3ba0c6a41a8bb4ba17ad8d5514172e103504", "tree": "b1b55ad5fb5feca7455112d6a95547c4e9913585", "parents": [ "7fba53402eb0fb4209c74469814c583b6455e096" ], "author": { "name": "Stephen Street", "email": "stephen@streetfiresound.com", "time": "Sat May 20 15:00:19 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:20 2006 -0700" }, "message": "[PATCH] pxa2xx-spi update\n\nFix some outstanding issues with the pxa2xx_spi driver when running on a\nPXA270:\n\n- Wrong timeout calculation in the setup function due to different\n peripheral clock rates in the PXAxxx family.\n\n- Bad handling of SSSR_TFS interrupts in interrupt_transfer function.\n\n- Added locking to interface between the pump_messages workqueue and the\n pump_transfers tasklet.\n\nMuch thanks to Juergen Beisert for the extensive testing on the PXA270.\n\nSigned-off-by: Stephen Street \u003cstephen@streetfiresound.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nCc: Russell King \u003crmk@arm.linux.org.uk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "7fba53402eb0fb4209c74469814c583b6455e096", "tree": "3f59b82b3bde5ffcf275e8f09e9c5785c21ee43c", "parents": [ "1fc7547d4bfe5c8c8c79e196b955b6fbaa21bfd2" ], "author": { "name": "Ben Dooks", "email": "ben@trinity.fluff.org", "time": "Sat May 20 15:00:18 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:19 2006 -0700" }, "message": "[PATCH] S3C24XX: hardware SPI driver\n\nHardware based SPI driver for Samsung S3C24XX SoC systems\n\nSigned-off-by: Ben Dooks \u003cben-linux@fluff.org\u003e\nCc: David Brownell \u003cdavid-b@pacbell.net\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1fc7547d4bfe5c8c8c79e196b955b6fbaa21bfd2", "tree": "1a08d571dbbd64a4585f2e486aa87ad1005a37f7", "parents": [ "1b81d6637d27a0e6a0506ecef65493b50d859cfc" ], "author": { "name": "Ben Dooks", "email": "ben@trinity.fluff.org", "time": "Sat May 20 15:00:17 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:19 2006 -0700" }, "message": "[PATCH] S3C24XX: GPIO based SPI driver\n\nSPI driver for SPI by GPIO on the Samsung S3C24XX series of SoC processors.\n\nSigned-off-by: Ben Dooks \u003cben-linux@fluff.org\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nCc: David Brownell \u003cdavid-b@pacbell.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ccf06998fe179ae2cc9517ed1d75433dc0b5032d", "tree": "88696d35b5bb168c3f7f2a3b56a683c919e33bed", "parents": [ "ba1a051319dc2bec9f43b7cef11c6e5270107fd6" ], "author": { "name": "Kumar Gala", "email": "galak@kernel.crashing.org", "time": "Sat May 20 15:00:15 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:19 2006 -0700" }, "message": "[PATCH] spi: add spi master driver for Freescale MPC83xx SPI controller\n\nThis driver supports the SPI controller on the MPC83xx SoC devices from\nFreescale. Note, this driver supports only the simple shift register SPI\ncontroller and not the descriptor based CPM or QUICCEngine SPI controller.\n\nSigned-off-by: Kumar Gala \u003cgalak@kernel.crashing.org\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ba1a051319dc2bec9f43b7cef11c6e5270107fd6", "tree": "f50d5141dceccda33cd5bb0f01f8c25a0108d51d", "parents": [ "ae0718f8e3fcfa3e4863f63db90d24bbec6b14a2" ], "author": { "name": "dmitry pervushin", "email": "dpervushin@ru.mvista.com", "time": "Sat May 20 15:00:14 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:19 2006 -0700" }, "message": "[PATCH] minor SPI doc fix\n\nBecause several developers asked me about referenced but missing\nspi_add_master(), I think that this patch should be applied ... it\ncorrects comments so they refer to spi_register_master() instead.\n\nSigned-off-by: dmitry pervushin \u003cdpervushin@ru.mvista.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1e316d7566b63767aa18902235c719e9e95465d0", "tree": "506783a779e1b06b20de0bc03e4b0008f77704e8", "parents": [ "9708c121c38fe864eb6f5a119f7525729686e095" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Thu Apr 06 22:25:56 2006 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:58 2006 -0700" }, "message": "[PATCH] SPI: spi_bitbang: clocking fixes\n\nThis fixes two problems triggered by the MMC stack updating clocks:\n\n - SPI masters driver should accept a max clock speed of zero; that\u0027s one\n convention for marking idle devices. (Presumably that helps controllers\n that don\u0027t autogate clocks to \"off\" when not in use.)\n\n - There are more than 1000 nanoseconds per millisecond; setting the clock\n down to 125 KHz now works properly.\n\nShowing once again that Zero (http://en.wikipedia.org/wiki/Zero) is still\nan inexhaustible number of bugs.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "9708c121c38fe864eb6f5a119f7525729686e095", "tree": "27d5afdcafdcf10b45f4a228c739d5819cc9240c", "parents": [ "a020ed7521a9737bcf3e34eb880867c60c3c68d0" ], "author": { "name": "Stephen Street", "email": "stephen@streetfiresound.com", "time": "Tue Mar 28 14:05:23 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:58 2006 -0700" }, "message": "[PATCH] spi: Update to PXA2xx SPI Driver\n\nFix two outstanding issues with the pxa2xx_spi driver:\n\n1) Bad cast in the function u32_writer. Thanks to Henrik Bechmann\n2) Adds support for per transfer changes to speed and bits per word\n\nSigned-off-by: Stephen Street \u003cstephen@streetfiresound.com\u003e\nCc: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "a020ed7521a9737bcf3e34eb880867c60c3c68d0", "tree": "52941e00b05df6c1bfe228fd193fdb09cf963d15", "parents": [ "ccf77cc4af5b048e20cfd9327fcc286cb69c34cc" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Mon Apr 03 15:49:04 2006 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:57 2006 -0700" }, "message": "[PATCH] SPI: busnum \u003d\u003d 0 needs to work\n\nWe need to be able to have a \"SPI bus 0\" matching chip numbering; but\nthat number was wrongly used to flag dynamic allocation of a bus number.\n\nThis patch resolves that issue; now negative numbers trigger dynamic alloc.\n\nIt also updates the how-to-write-a-controller-driver overview to mention\nthis stuff.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "ccf77cc4af5b048e20cfd9327fcc286cb69c34cc", "tree": "0a19a6948fe8bbf2128010a655e170ffebc9d8b8", "parents": [ "ff9f4771b5f017ee0f57629488b6cd7a6ef3d19b" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Mon Apr 03 15:46:22 2006 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:57 2006 -0700" }, "message": "[PATCH] SPI: devices can require LSB-first encodings\n\nAdd spi_device hook for LSB-first word encoding, and update all the\n(in-tree) controller drivers to reject such devices. Eventually,\nsome controller drivers will be updated to support lsb-first encodings\non the wire; no current drivers need this.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "ff9f4771b5f017ee0f57629488b6cd7a6ef3d19b", "tree": "2d487a384f075f82444135a77330755f1755aa16", "parents": [ "025c398710ac24456f0288fc7e64f426c5c5508f" ], "author": { "name": "Kumar Gala", "email": "galak@kernel.crashing.org", "time": "Sun Apr 02 16:06:35 2006 -0500" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:57 2006 -0700" }, "message": "[PATCH] SPI: Renamed bitbang_transfer_setup to spi_bitbang_setup_transfer and export it\n\nRenamed bitbang_transfer_setup to follow convention of other exported symbols\nfrom spi-bitbang. Exported spi_bitbang_setup_transfer to allow users of\nspi-bitbang to use the function in their own setup_transfer.\n\nSigned-off-by: Kumar Gala \u003cgalak@kernel.crashing.org\u003e\nCc: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "a9948b6194b46e489aa3b4d111d6dfd786c39c4b", "tree": "28f4984be0547c773ad24ef6ed882f1ae9cbede8", "parents": [ "747d844ee9a183ff3067bb1181f2a25c50649538" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Apr 02 10:37:40 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:57 2006 -0700" }, "message": "[PATCH] SPI: spi bounce buffer has a minimum length\n\nMake sure that spi_write_then_read() can always handle at least 32 bytes\nof transfer (total, both directions), minimizing one portability issue.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "e0c9905e87ac1bc56c9ea8f5b2934aeee53dce26", "tree": "7752a74a70b6e174f347f1d56ab98717e9e93b61", "parents": [ "4cff33f94fefcce1b3c01a9d1da6bb85fe3cbdfa" ], "author": { "name": "Stephen Street", "email": "stephen@streetfiresound.com", "time": "Tue Mar 07 23:53:24 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:56 2006 -0700" }, "message": "[PATCH] SPI: add PXA2xx SSP SPI Driver\n\nThis driver turns a PXA2xx synchronous serial port (SSP) into a SPI master\ncontroller (see Documentation/spi/spi_summary). The driver has the following\nfeatures:\n\n- Support for any PXA2xx SSP\n- SSP PIO and SSP DMA data transfers.\n- External and Internal (SSPFRM) chip selects.\n- Per slave device (chip) configuration.\n- Full suspend, freeze, resume support.\n\nSigned-off-by: Stephen Street \u003cstephen@streetfiresound.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nCc: David Brownell \u003cdavid-b@pacbell.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "4cff33f94fefcce1b3c01a9d1da6bb85fe3cbdfa", "tree": "0ef6066c4f2c0225517a6402bb04f4b4d56afd4d", "parents": [ "716f8954fb3029ca2df52a986b60af8d06f093ee" ], "author": { "name": "Imre Deak", "email": "imre.deak@nokia.com", "time": "Fri Feb 17 10:02:18 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue May 16 14:33:56 2006 -0700" }, "message": "[PATCH] SPI: per-transfer overrides for wordsize and clocking\n\nSome protocols (like one for some bitmap displays) require different clock\nspeed or word size settings for each transfer in an SPI message. This adds\nthose parameters to struct spi_transfer. They are to be used when they are\nnonzero; otherwise the defaults from spi_device are to be used.\n\nThe patch also adds a setup_transfer callback to spi_bitbang, uses it for\nmessages that use those overrides, and implements it so that the pure\nbitbanging code can help resolve any questions about how it should work.\n\nSigned-off-by: Imre Deak \u003cimre.deak@nokia.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "d2799f083dcad0413ad1a396e9bc32d9afb70535", "tree": "e3ff753888f2e03437b9ab951269d213fe522e20", "parents": [ "d86d43706a27bb87c2873de369f94a10f8758063" ], "author": { "name": "Stephen Street", "email": "stephen@streetfiresound.com", "time": "Mon Feb 20 18:27:56 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Feb 20 20:00:09 2006 -0800" }, "message": "[PATCH] spi: Fix modular master driver remove and device suspend/remove\n\nFix two problems in the spi subsystem:\n\n1) spi subsystem core dumps when modular spi master is unloaded.\n2) spi subsystem core dumps when spi slave device is suspended/resumed and\n module slave driver is not loaded.\n\nSigned-off-by: Stephen Street \u003cstephen@streetfiresound.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "9c1da3cb46316e40bac766ce45556dc4fd8df3ca", "tree": "d2ab578f2601383f39d316dfca0f00d12da21dba", "parents": [ "022f7b07bf2b384ece7fbd7edb90e54cd78db252" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sat Jan 21 13:21:43 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Feb 06 12:17:17 2006 -0800" }, "message": "[PATCH] SPI: spi_butterfly, restore lost deltas\n\nThis resolves some minor version skew glitches that accumulated for the AVR\nButterfly adapter driver, which caused among other things the existence of\na duplicate Kconfig entry. Most of it boils down to comment updates, but in\none case it removes some now-superfluous code that would be better if not\ncopied into other controller-level drivers.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\n" }, { "commit": "2e10c84b9cf0b2d269c5629048d8d6e35eaf6b2b", "tree": "2b338e8282d4e740529aeb3d5f303c4883f8d667", "parents": [ "5d870c8e216f121307445c71caa72e7e10a20061" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Wed Jan 11 11:23:49 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:56 2006 -0800" }, "message": "[PATCH] SPI: add spi_butterfly driver\n\nThis adds a bitbanging parport based adaptor cable for AVR Butterfly, giving\nSPI links to its DataFlash chip and (eventually) firmware running in the card.\n\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "5d870c8e216f121307445c71caa72e7e10a20061", "tree": "d1d73cf5e520a10086f9a50a00fecb6041def89d", "parents": [ "7111763d391b0c5a949a4f2575aa88cd585f0ff6" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Wed Jan 11 11:23:49 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:56 2006 -0800" }, "message": "[PATCH] spi: remove fastcall crap\n\ngcc4 generates warnings when a non-FASTCALL function pointer is assigned to a\nFASTCALL one. Perhaps it has taste.\n\nCc: David Brownell \u003cdavid-b@pacbell.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "7111763d391b0c5a949a4f2575aa88cd585f0ff6", "tree": "376eef5003b71c6445c02bbe87950b2e365e0758", "parents": [ "8275c642ccdce09a2146d0a9eb022e3698ee927e" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Jan 08 13:34:29 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:56 2006 -0800" }, "message": "[PATCH] spi: misc fixes\n\nThis collects some small SPI patches that seem to be missing from the MM tree:\n\n - spi_butterfly kbuild hooks got dropped somehow; this restores them\n - quick fix for a (theoretical?) m25p80_write() oops noted by Andrew\n - quick fix for a potential config-specific oops for mtd_dataflash()\n - minor doc tweaks\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "8275c642ccdce09a2146d0a9eb022e3698ee927e", "tree": "ea330810f665fcbdf36d31b0da1643db528ad83f", "parents": [ "2f9f762879015d738a5ec2ac8a16be94b3a4a06d" ], "author": { "name": "Vitaly Wool", "email": "vwool@ru.mvista.com", "time": "Sun Jan 08 13:34:28 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:56 2006 -0800" }, "message": "[PATCH] spi: use linked lists rather than an array\n\nThis makes the SPI core and its users access transfers in the SPI message\nstructure as linked list not as an array, as discussed on LKML.\n\nFrom: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\n\n Updates including doc, bugfixes to the list code, add\n spi_message_add_tail(). Plus, initialize things _before_ grabbing the\n locks in some cases (in case it grows more expensive). This also merges\n some bitbang updates of mine that didn\u0027t yet make it into the mm tree.\n\nSigned-off-by: Vitaly Wool \u003cvwool@ru.mvista.com\u003e\nSigned-off-by: Dmitry Pervushin \u003cdpervushin@gmail.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "9904f22a7202c6b54e96b0cc9870817013c350a1", "tree": "02d526b1bf54b1c64e58a9f903269f9cdc6ec83c", "parents": [ "2e5a7bd978bf4118a0c8edf2e6ff81d0a72fee47" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Jan 08 13:34:26 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:55 2006 -0800" }, "message": "[PATCH] spi: add spi_bitbang driver\n\nThis adds a bitbanging spi master, hooking up to board/adapter-specific glue\ncode which knows how to set and read the signals (gpios etc).\n\nThis code kicks in after the glue code creates a platform_device with the\nright platform_data. That data includes I/O loops, which will usually\ncome from expanding an inline function (provided in the header). One goal\nis that the I/O loops should be easily optimized down to a few GPIO register\naccesses, in common cases, for speed and minimized overhead.\n\nThis understands all the currently defined protocol tweaking options in the\nSPI framework, and might eventually serve as as reference implementation.\n\n - different word sizes (1..32 bits)\n - differing clock rates\n - SPI modes differing by CPOL (affecting chip select and I/O loops)\n - SPI modes differing by CPHA (affecting I/O loops)\n - delays (usecs) after transfers\n - temporarily deselecting chips in mid-transfer\n\nA lot of hardware could work with this framework, though common types of\ncontroller can\u0027t reach peak performance without switching to a driver\nstructure that supports pipelining of transfers (e.g. DMA queues) and maybe\ncontrollers (e.g. IRQ driven).\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "0c868461fcb8413cb9f691d68e5b99b0fd3c0737", "tree": "b43db6239f5d72a279b35b14de85cf34d8f6bc74", "parents": [ "b885244eb2628e0b8206e7edaaa6a314da78e9a4" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Jan 08 13:34:25 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:55 2006 -0800" }, "message": "[PATCH] SPI core tweaks, bugfix\n\nThis includes various updates to the SPI core:\n\n - Fixes a driver model refcount bug in spi_unregister_master() paths.\n\n - The spi_master structures now have wrappers which help keep drivers\n from needing class-level get/put for device data or for refcounts.\n\n - Check for a few setup errors that would cause oopsing later.\n\n - Docs say more about memory management. Highlights the use of DMA-safe\n i/o buffers, and zero-initializing spi_message and such metadata.\n\n - Provide a simple alloc/free for spi_message and its spi_transfer;\n this is only one of the possible memory management policies.\n\nNothing to break code that already works.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "b885244eb2628e0b8206e7edaaa6a314da78e9a4", "tree": "e548fb3a94603c4a5406920c97246a78fe16b64a", "parents": [ "1d6432fe10c3e724e307dd7137cd293a0edcae80" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Jan 08 13:34:23 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:54 2006 -0800" }, "message": "[PATCH] spi: add spi_driver to SPI framework\n\nThis is a refresh of the \"Simple SPI Framework\" found in 2.6.15-rc3-mm1\nwhich makes the following changes:\n\n * There\u0027s now a \"struct spi_driver\". This increase the footprint\n of the core a bit, since it now includes code to do what the driver\n core was previously handling directly. Documentation and comments\n were updated to match.\n\n * spi_alloc_master() now does class_device_initialize(), so it can\n at least be refcounted before spi_register_master(). To match,\n spi_register_master() switched over to class_device_add().\n\n * States explicitly that after transfer errors, spi_devices will be\n deselected. We want fault recovery procedures to work the same\n for all controller drivers.\n\n * Minor tweaks: controller_data no longer points to readonly data;\n prevent some potential cast-from-null bugs with container_of calls;\n clarifies some existing kerneldoc,\n\nAnd a few small cleanups.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "8ae12a0d85987dc138f8c944cb78a92bf466cea0", "tree": "ca032f25bb26f88cc35d68c6f8065143ce64a6a8", "parents": [ "67daf5f11f06b9b15f8320de1d237ccc2e74fe43" ], "author": { "name": "David Brownell", "email": "david-b@pacbell.net", "time": "Sun Jan 08 13:34:19 2006 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Jan 13 16:29:54 2006 -0800" }, "message": "[PATCH] spi: simple SPI framework\n\nThis is the core of a small SPI framework, implementing the model of a\nqueue of messages which complete asynchronously (with thin synchronous\nwrappers on top).\n\n - It\u0027s still less than 2KB of \".text\" (ARM). If there\u0027s got to be a\n mid-layer for something so simple, that\u0027s the right size budget. :)\n\n - The guts use board-specific SPI device tables to build the driver\n model tree. (Hardware probing is rarely an option.)\n\n - This version of Kconfig includes no drivers. At this writing there\n are two known master controller drivers (PXA/SSP, OMAP MicroWire)\n and three protocol drivers (CS8415a, ADS7846, DataFlash) with LKML\n mentions of other drivers in development.\n\n - No userspace API. There are several implementations to compare.\n Implement them like any other driver, and bind them with sysfs.\n\nThe changes from last version posted to LKML (on 11-Nov-2005) are minor,\nand include:\n\n - One bugfix (removes a FIXME), with the visible effect of making device\n names be \"spiB.C\" where B is the bus number and C is the chipselect.\n\n - The \"caller provides DMA mappings\" mechanism now has kerneldoc, for\n DMA drivers that want to be fancy.\n\n - Hey, the framework init can be subsys_init. Even though board init\n logic fires earlier, at arch_init ... since the framework init is\n for driver support, and the board init support uses static init.\n\n - Various additional spec/doc clarifications based on discussions\n with other folk. It adds a brief \"thank you\" at the end, for folk\n who\u0027ve helped nudge this framework into existence.\n\nAs I\u0027ve said before, I think that \"protocol tweaking\" is the main support\nthat this driver framework will need to evolve.\n\nFrom: Mark Underwood \u003cbasicmark@yahoo.com\u003e\n\n Update the SPI framework to remove a potential priority inversion case by\n reverting to kmalloc if the pre-allocated DMA-safe buffer isn\u0027t available.\n\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" } ] }