mmc: support packed write command for eMMC4.5 device
This patch supports packed write command of eMMC4.5 device.
Several writes can be grouped in packed command and all data
of the individual commands can be sent in a single transfer
on the bus.
[tlinder@codeaurora.org: Difference in definition:
R1_EXP_EVENT -- > R1_EXCEPTION_EVENT]
(cherry picked from commit 53f8f574c6c68687098cd064af8224da44de2484)
Change-Id: I26ee7c0b957a3aec5e4ffc6d6df806ea38435784
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
(cherry picked from commit 6d24bc3b6e86412cbfbc37377bbbf196cbdebce9)
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 8806e5d..0330dfb 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -300,6 +300,11 @@
card->nr_parts++;
}
+static inline bool mmc_large_sec(struct mmc_card *card)
+{
+ return card->ext_csd.data_sector_size == 4096;
+}
+
/*
* The world is not perfect and supplies us with broken mmc/sdio devices.
* For at least some of these bugs we need a work-around.