| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- From 793bed29e78cc54d989333d756fef51efaca4e56 Mon Sep 17 00:00:00 2001
- From: Weijie Gao <[email protected]>
- Date: Tue, 26 Jul 2022 09:29:18 +0800
- Subject: [PATCH 58/71] mmc: mtk-sd: add support to display verbose error log
- Add an option to enable debug log, and also display verbose error log for
- both command and data.
- Signed-off-by: Weijie Gao <[email protected]>
- ---
- drivers/mmc/Kconfig | 8 ++++++++
- drivers/mmc/Makefile | 4 ++++
- drivers/mmc/mtk-sd.c | 24 +++++++++++++++---------
- 3 files changed, 27 insertions(+), 9 deletions(-)
- --- a/drivers/mmc/Kconfig
- +++ b/drivers/mmc/Kconfig
- @@ -815,6 +815,14 @@ config MMC_MTK
- This is needed if support for any SD/SDIO/MMC devices is required.
- If unsure, say N.
-
- +config MMC_MTK_DEBUG
- + bool "Display verbose error log"
- + default n
- + depends on MMC_MTK
- + help
- + Enable this option to allow verbose error log being displayed for
- + debugging.
- +
- endif
-
- config FSL_SDHC_V2_3
- --- a/drivers/mmc/Makefile
- +++ b/drivers/mmc/Makefile
- @@ -82,3 +82,7 @@ obj-$(CONFIG_RENESAS_SDHI) += tmio-comm
- obj-$(CONFIG_MMC_BCM2835) += bcm2835_sdhost.o
- obj-$(CONFIG_MMC_MTK) += mtk-sd.o
- obj-$(CONFIG_MMC_SDHCI_F_SDH30) += f_sdh30.o
- +
- +ifdef CONFIG_MMC_MTK_DEBUG
- +CFLAGS_mtk-sd.o += -DDEBUG
- +endif
- --- a/drivers/mmc/mtk-sd.c
- +++ b/drivers/mmc/mtk-sd.c
- @@ -779,18 +779,24 @@ static int msdc_ops_send_cmd(struct udev
- if (cmd_ret &&
- !(cmd_ret == -EIO &&
- (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||
- - cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)))
- + cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200))) {
- + dev_dbg(dev, "MSDC start command failure with %d, cmd=%d, arg=0x%x\n",
- + cmd_ret, cmd->cmdidx, cmd->cmdarg);
- return cmd_ret;
- -
- - if (data) {
- - data_ret = msdc_start_data(host, data);
- - if (cmd_ret)
- - return cmd_ret;
- - else
- - return data_ret;
- }
-
- - return 0;
- + if (!data)
- + return cmd_ret;
- +
- + data_ret = msdc_start_data(host, data);
- + if (cmd_ret)
- + return cmd_ret;
- +
- + if (data_ret)
- + dev_dbg(dev, "MSDC start data failure with %d, cmd=%d, arg=0x%x\n",
- + data_ret, cmd->cmdidx, cmd->cmdarg);
- +
- + return data_ret;
- }
-
- static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks)
|
