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rsi: fix for sdio reset card issue

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Issue: While removing and inserting the driver module, observed driver
loading is not successful.

Root cause: Card is not resetted completely without issuing cmd5.

Fix: Issued cmd5 properly.

Signed-off-by: Ganapathi Kondraju <ganapathirajukondraju@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ganapathi Kondraju 2019-07-25 16:21:50 +05:30 committed by Kalle Valo
parent 3915a252ce
commit dfc7a8f7c8
1 changed files with 7 additions and 10 deletions
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17
drivers/net/wireless/rsi/rsi_91x_sdio.c
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@ -230,19 +230,16 @@ static void rsi_reset_card(struct sdio_func *pfunction)
rsi_dbg(ERR_ZONE, "%s: CMD0 failed : %d\n", __func__, err);
/* Issue CMD5, arg = 0 */
if (!host->ocr_avail) {
err = rsi_issue_sdiocommand(pfunction, SD_IO_SEND_OP_COND, 0,
(MMC_RSP_R4 | MMC_CMD_BCR), &resp);
if (err)
rsi_dbg(ERR_ZONE, "%s: CMD5 failed : %d\n",
__func__, err);
host->ocr_avail = resp;
}
err = rsi_issue_sdiocommand(pfunction, SD_IO_SEND_OP_COND, 0,
(MMC_RSP_R4 | MMC_CMD_BCR), &resp);
if (err)
rsi_dbg(ERR_ZONE, "%s: CMD5 failed : %d\n",
__func__, err);
card->ocr = resp;
/* Issue CMD5, arg = ocr. Wait till card is ready */
for (i = 0; i < 100; i++) {
err = rsi_issue_sdiocommand(pfunction, SD_IO_SEND_OP_COND,
host->ocr_avail,
card->ocr,
(MMC_RSP_R4 | MMC_CMD_BCR), &resp);
if (err) {
rsi_dbg(ERR_ZONE, "%s: CMD5 failed : %d\n",