Eric Lee / smarc-uboot

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Commit 90321dce0da1ba0844a7066a1034cdf73b8613c6

Authored by Kishon Vijay Abraham I
Committed by Jaehoon Chung
1 parent 42182c9b9c
Exists in smarc_8mq_lf_v2020.04 and in 17 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc-imx6_v2018.03_4.14.98_2.0.0_ga, smarc-imx7_v2018.03_4.14.98_2.0.0_ga, smarc-imx_v2018.03_4.14.78_1.0.0_ga, smarc_8m-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8m_00d0-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0

mmc: omap_hsmmc: allow mmc clock to be gated 

mmc core has defined a new parameter *clk_disable* to gate the clock.
Disable the clock here if *clk_disable* is set.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

Showing 1 changed file with 6 additions and 0 deletions Side-by-side Diff

drivers/mmc/omap_hsmmc.c
Diff comments   View file @ 90321dc
... ... @@ -1207,12 +1207,18 @@
1207 1207 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
1208 1208 struct mmc *mmc = upriv->mmc;
1209 1209 #endif
  1210 + struct hsmmc *mmc_base = priv->base_addr;
1210 1211  
1211 1212 if (priv->bus_width != mmc->bus_width)
1212 1213 omap_hsmmc_set_bus_width(mmc);
1213 1214  
1214 1215 if (priv->clock != mmc->clock)
1215 1216 omap_hsmmc_set_clock(mmc);
  1217 +
  1218 + if (mmc->clk_disable)
  1219 + omap_hsmmc_stop_clock(mmc_base);
  1220 + else
  1221 + omap_hsmmc_start_clock(mmc_base);
1216 1222  
1217 1223 #if CONFIG_IS_ENABLED(DM_MMC)
1218 1224 if (priv->mode != mmc->selected_mode)