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| author | Jerome Brunet <jbrunet@baylibre.com> | 2017-08-28 16:29:04 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 15:03:47 +0200 |
| commit | 3c39e2ca88016fb88d767750cd254d328f84248f (patch) | |
| tree | f17d7681993008301103f00494885d935904d75f /drivers/mmc | |
| parent | ef5c48157e5fa6c574a7269743b68049ee3b9459 (diff) | |
| download | linux-3c39e2ca88016fb88d767750cd254d328f84248f.tar.gz linux-3c39e2ca88016fb88d767750cd254d328f84248f.tar.bz2 linux-3c39e2ca88016fb88d767750cd254d328f84248f.zip | |
mmc: meson-gx: cfg init overwrite values
cfg init function overwrite values set in the clk init function
Remove the cfg pokes from the clk init. Actually, trying to use
the CLK_AUTO, like initially tried in clk_init, would break
the card initialization
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index d2de5c11cdce..7d14d382cb1c 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -337,7 +337,7 @@ static int meson_mmc_clk_init(struct meson_host *host) int i, ret = 0; const char *mux_parent_names[MUX_CLK_NUM_PARENTS]; const char *clk_div_parents[1]; - u32 clk_reg, cfg; + u32 clk_reg; /* init SD_EMMC_CLOCK to sane defaults w/min clock rate */ clk_reg = 0; @@ -402,12 +402,6 @@ static int meson_mmc_clk_init(struct meson_host *host) if (WARN_ON(PTR_ERR_OR_ZERO(host->cfg_div_clk))) return PTR_ERR(host->cfg_div_clk); - /* Ensure clock starts in "auto" mode, not "always on" */ - cfg = readl(host->regs + SD_EMMC_CFG); - cfg &= ~CFG_CLK_ALWAYS_ON; - cfg |= CFG_AUTO_CLK; - writel(cfg, host->regs + SD_EMMC_CFG); - ret = clk_prepare_enable(host->cfg_div_clk); if (ret) return ret; @@ -956,6 +950,9 @@ static int meson_mmc_probe(struct platform_device *pdev) if (ret) goto err_core_clk; + /* set config to sane default */ + meson_mmc_cfg_init(host); + /* Stop execution */ writel(0, host->regs + SD_EMMC_START); @@ -964,9 +961,6 @@ static int meson_mmc_probe(struct platform_device *pdev) writel(IRQ_EN_MASK, host->regs + SD_EMMC_STATUS); writel(IRQ_EN_MASK, host->regs + SD_EMMC_IRQ_EN); - /* set config to sane default */ - meson_mmc_cfg_init(host); - ret = devm_request_threaded_irq(&pdev->dev, irq, meson_mmc_irq, meson_mmc_irq_thread, IRQF_SHARED, NULL, host); |