diff options
author | Luke Wang <ziniu.wang_1@nxp.com> | 2025-04-09 10:26:04 +0300 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-05-14 17:59:17 +0300 |
commit | 0ea6055c96b8e79aa01a9eb440b77fb5cdf1c339 (patch) | |
tree | ded8d9992a42d3bce583a7c7561deb07133d78a6 | |
parent | 2e1a26ed6b3864576720364c793e4abf0681fcf5 (diff) | |
download | linux-0ea6055c96b8e79aa01a9eb440b77fb5cdf1c339.tar.xz |
mmc: sdhci-esdhc-imx: calculate data timeout value based on clock
Calculate data timeout value based on clock instead of using max value.
Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20250409072604.3410459-1-ziniu.wang_1@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 7e8addaed697..2f5c92d983e1 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -873,6 +873,11 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) esdhc_clrset_le(host, mask, new_val, reg); return; + case SDHCI_TIMEOUT_CONTROL: + esdhc_clrset_le(host, ESDHC_SYS_CTRL_DTOCV_MASK, + FIELD_PREP(ESDHC_SYS_CTRL_DTOCV_MASK, val), + ESDHC_SYSTEM_CONTROL); + return; case SDHCI_SOFTWARE_RESET: if (val & SDHCI_RESET_DATA) new_val = readl(host->ioaddr + SDHCI_HOST_CONTROL); @@ -1399,17 +1404,6 @@ static unsigned int esdhc_get_max_timeout_count(struct sdhci_host *host) return esdhc_is_usdhc(imx_data) ? 1 << 29 : 1 << 27; } -static void esdhc_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) -{ - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); - - /* use maximum timeout counter */ - esdhc_clrset_le(host, ESDHC_SYS_CTRL_DTOCV_MASK, - esdhc_is_usdhc(imx_data) ? 0xF0000 : 0xE0000, - ESDHC_SYSTEM_CONTROL); -} - static u32 esdhc_cqhci_irq(struct sdhci_host *host, u32 intmask) { int cmd_error = 0; @@ -1446,7 +1440,6 @@ static struct sdhci_ops sdhci_esdhc_ops = { .get_min_clock = esdhc_pltfm_get_min_clock, .get_max_timeout_count = esdhc_get_max_timeout_count, .get_ro = esdhc_pltfm_get_ro, - .set_timeout = esdhc_set_timeout, .set_bus_width = esdhc_pltfm_set_bus_width, .set_uhs_signaling = esdhc_set_uhs_signaling, .reset = esdhc_reset, @@ -1842,6 +1835,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) * to distinguish the card type. */ host->mmc_host_ops.init_card = usdhc_init_card; + + host->max_timeout_count = 0xF; } if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) |