From: Ulf Hansson <ulf.hansson@linaro.org>
Date: Mon, 25 Jul 2016 23:16:59 +0000 (+0200)
Subject: mmc: rtsx_pci: Use the provided busy timeout from the mmc core
X-Git-Tag: v4.14-rc1~2757^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=27f4bf7d74547ab15474c773f7231dff44ccb2a5;p=platform%2Fkernel%2Flinux-rpi.git

mmc: rtsx_pci: Use the provided busy timeout from the mmc core

The rtsx_pci driver is using a fixed 3s timeout for R1B responses, which
in some cases isn't suffient. For example, erase/discard requests may
require longer timeouts.

Instead of always using a fixed timeout, let's use the per request
calculated busy timeout from the mmc core.

Cc: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Mauro Santos <registo.mailling@gmail.com>
---

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 9313748..6158b96 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -244,7 +244,7 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
 	stat_idx = sd_status_index(rsp_type);
 
 	if (rsp_type == SD_RSP_TYPE_R1b)
-		timeout = 3000;
+		timeout = cmd->busy_timeout ? cmd->busy_timeout : 3000;
 
 	if (cmd->opcode == SD_SWITCH_VOLTAGE) {
 		err = rtsx_pci_write_register(pcr, SD_BUS_STAT,