cxgb3: use request_firmware() for the EDC registers setup
use request_firmware() to load the phy's EDC programmation
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 538dda4..27e7ef5 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -964,6 +964,75 @@
#define FW_FNAME "cxgb3/t3fw-%d.%d.%d.bin"
#define TPSRAM_NAME "cxgb3/t3%c_psram-%d.%d.%d.bin"
+#define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin"
+#define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin"
+#define AEL2020_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin"
+
+static inline const char *get_edc_fw_name(int edc_idx)
+{
+ const char *fw_name = NULL;
+
+ switch (edc_idx) {
+ case EDC_OPT_AEL2005:
+ fw_name = AEL2005_OPT_EDC_NAME;
+ break;
+ case EDC_TWX_AEL2005:
+ fw_name = AEL2005_TWX_EDC_NAME;
+ break;
+ case EDC_TWX_AEL2020:
+ fw_name = AEL2020_TWX_EDC_NAME;
+ break;
+ }
+ return fw_name;
+}
+
+int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size)
+{
+ struct adapter *adapter = phy->adapter;
+ const struct firmware *fw;
+ char buf[64];
+ u32 csum;
+ const __be32 *p;
+ u16 *cache = phy->phy_cache;
+ int i, ret;
+
+ snprintf(buf, sizeof(buf), get_edc_fw_name(edc_idx));
+
+ ret = request_firmware(&fw, buf, &adapter->pdev->dev);
+ if (ret < 0) {
+ dev_err(&adapter->pdev->dev,
+ "could not upgrade firmware: unable to load %s\n",
+ buf);
+ return ret;
+ }
+
+ /* check size, take checksum in account */
+ if (fw->size > size + 4) {
+ CH_ERR(adapter, "firmware image too large %u, expected %d\n",
+ (unsigned int)fw->size, size + 4);
+ ret = -EINVAL;
+ }
+
+ /* compute checksum */
+ p = (const __be32 *)fw->data;
+ for (csum = 0, i = 0; i < fw->size / sizeof(csum); i++)
+ csum += ntohl(p[i]);
+
+ if (csum != 0xffffffff) {
+ CH_ERR(adapter, "corrupted firmware image, checksum %u\n",
+ csum);
+ ret = -EINVAL;
+ }
+
+ for (i = 0; i < size / 4 ; i++) {
+ *cache++ = (be32_to_cpu(p[i]) & 0xffff0000) >> 16;
+ *cache++ = be32_to_cpu(p[i]) & 0xffff;
+ }
+
+ release_firmware(fw);
+
+ return ret;
+}
static int upgrade_fw(struct adapter *adap)
{