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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2020-04-23 15:04:31 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-05-28 11:21:02 +0200 |
| commit | f583da4013a7e694fb0c3c5916537a72989e82a3 (patch) | |
| tree | 34bcc2a1b5cd7212fb3581c43fcc26b99c9a0e04 /drivers/mmc | |
| parent | 5671ad667ebbe5e2aef77a89c775e9623b6bf4b8 (diff) | |
| download | linux-f583da4013a7e694fb0c3c5916537a72989e82a3.tar.gz linux-f583da4013a7e694fb0c3c5916537a72989e82a3.tar.bz2 linux-f583da4013a7e694fb0c3c5916537a72989e82a3.zip | |
mmc: renesas_sdhi: handle M3-W ES1.2 and 1.3 revisions
For ES1.2, add a comment explaining the situation. For ES1.3 (and
later, although unlikely), add a new entry defining it as 4tap.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20200423130432.9990-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 28b0830c4251..33b51105c788 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -711,11 +711,17 @@ static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = { .hs400_disabled = true, }; +/* + * Note for r8a7796 / r8a774a1: we can't distinguish ES1.1 and 1.2 as of now. + * So, we want to treat them equally and only have a match for ES1.2 to enforce + * this if there ever will be a way to distinguish ES1.2. + */ static const struct soc_device_attribute sdhi_quirks_match[] = { { .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 }, { .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400 }, { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap }, { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 }, + { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_4tap }, { .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 }, { /* Sentinel. */ }, }; |