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authorUlf Hansson <ulf.hansson@linaro.org>2017-06-08 15:23:08 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2017-06-20 10:30:48 +0200
commitd2a47176a877b1eccd3086a4c8d790d644d594cb (patch)
tree5d80b5da3796d378c25d9aae4376a156857d0ccf /drivers/mmc/host/sdhci-brcmstb.c
parent9820a5b1110126142c50a779622abab560d3fcc1 (diff)
mmc: core: Remove MMC_CAP2_HC_ERASE_SZ
The MMC_CAP2_HC_ERASE_SZ is used only by a few mmc host drivers. Its intent is to enable eMMC's high-capacity erase size, as to improve the behaviour of the erase operations. We should strive to avoid software configuration options that aren't necessary, but instead deploy common behaviours. For these reasons, let's remove the capability bit for MMC_CAP2_HC_ERASE_SZ and make it the default behaviour. Note that this change doesn't affect eMMCs supporting trim/discard, because these commands operates on sectors and takes precedence over erase commands. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Tested-by: Shawn Lin <shawn.lin@rock-chips.com>
Diffstat (limited to 'drivers/mmc/host/sdhci-brcmstb.c')
-rw-r--r--drivers/mmc/host/sdhci-brcmstb.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index 242c5dc7a81e..e2f638338e8f 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -89,9 +89,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
goto err_clk;
}
- /* Enable MMC_CAP2_HC_ERASE_SZ for better max discard calculations */
- host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
-
sdhci_get_of_property(pdev);
mmc_of_parse(host->mmc);