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authorWolfram Sang <wsa+renesas@sang-engineering.com>2020-05-19 18:42:51 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2020-05-28 11:22:15 +0200
commitd42c9fff1ecbec635f068cb1fc5baaeb6fd9a943 (patch)
tree0de2c53113207aff62dde71cb35c98fd356baa4c /drivers/mmc
parentmmc: tmio: Make sure the PM domain is 'started' while probing (diff)
downloadwireguard-linux-d42c9fff1ecbec635f068cb1fc5baaeb6fd9a943.tar.xz
wireguard-linux-d42c9fff1ecbec635f068cb1fc5baaeb6fd9a943.zip
mmc: renesas_sdhi: remove manual clk handling
The SDHI driver en-/disabled its main clock on its own, e.g. during probe() and remove(). Now, we leave all handling to RPM. clk_summary before: sd0 1 1 0 12480000 0 0 50000 sdif0 2 2 0 12480000 0 0 50000 clk_summary after: sd0 1 1 0 12480000 0 0 50000 sdif0 1 1 0 12480000 0 0 50000 Reported-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20200519164251.5430-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/renesas_sdhi_core.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index dcba9ad35dd1..15e21894bd44 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -83,16 +83,11 @@ static int renesas_sdhi_clk_enable(struct tmio_mmc_host *host)
{
struct mmc_host *mmc = host->mmc;
struct renesas_sdhi *priv = host_to_priv(host);
- int ret = clk_prepare_enable(priv->clk);
-
- if (ret < 0)
- return ret;
+ int ret;
ret = clk_prepare_enable(priv->clk_cd);
- if (ret < 0) {
- clk_disable_unprepare(priv->clk);
+ if (ret < 0)
return ret;
- }
/*
* The clock driver may not know what maximum frequency
@@ -198,7 +193,6 @@ static void renesas_sdhi_clk_disable(struct tmio_mmc_host *host)
{
struct renesas_sdhi *priv = host_to_priv(host);
- clk_disable_unprepare(priv->clk);
clk_disable_unprepare(priv->clk_cd);
}