From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@baylibre.com (Kevin Hilman) Date: Mon, 27 Feb 2017 19:07:41 -0800 Subject: [PATCH v3 10/10] mmc: meson-gx: replace magic timeout numbers with constants In-Reply-To: <8dadc1fd-2612-48d4-f265-95501c83a124@gmail.com> (Heiner Kallweit's message of "Sat, 18 Feb 2017 14:26:04 +0100") References: <583f6496-68a9-b8e1-6b25-1f073f819a3c@gmail.com> <8dadc1fd-2612-48d4-f265-95501c83a124@gmail.com> Message-ID: To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org Heiner Kallweit writes: > Replace timeout magic numbers with proper constants. > > Signed-off-by: Heiner Kallweit Acked-by: Kevin Hilman > --- > v3: > - added to patch series > --- > drivers/mmc/host/meson-gx-mmc.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c > index 5281014e..f244fcf9 100644 > --- a/drivers/mmc/host/meson-gx-mmc.c > +++ b/drivers/mmc/host/meson-gx-mmc.c > @@ -116,6 +116,8 @@ > > #define SD_EMMC_CFG_BLK_SIZE 512 /* internal buffer max: 512 bytes */ > #define SD_EMMC_CFG_RESP_TIMEOUT 256 /* in clock cycles */ > +#define SD_EMMC_CMD_TIMEOUT 1024 /* in ms */ > +#define SD_EMMC_CMD_TIMEOUT_DATA 4096 /* in ms */ > #define SD_EMMC_CFG_CMD_GAP 16 /* in clock cycles */ > #define MUX_CLK_NUM_PARENTS 2 > > @@ -498,10 +500,10 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) > > desc->cmd_data = host->bounce_dma_addr & CMD_DATA_MASK; > > - cmd_cfg_timeout = 12; > + cmd_cfg_timeout = ilog2(SD_EMMC_CMD_TIMEOUT_DATA); > } else { > desc->cmd_cfg &= ~CMD_CFG_DATA_IO; > - cmd_cfg_timeout = 10; > + cmd_cfg_timeout = ilog2(SD_EMMC_CMD_TIMEOUT); > } > desc->cmd_cfg |= (cmd_cfg_timeout & CMD_CFG_TIMEOUT_MASK) << > CMD_CFG_TIMEOUT_SHIFT;