diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2022-03-20 15:30:15 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2022-04-26 15:05:18 +0300 |
| commit | c0a43968be5609c7c0f5ba0b5c72cbc7ab22ebce (patch) | |
| tree | 2130acdbdb2dddc208e2977920176bd97e6235c2 /drivers/mmc | |
| parent | 254b7d1299eb4876821d62cb957bf6f6434c1074 (diff) | |
| download | linux-c0a43968be5609c7c0f5ba0b5c72cbc7ab22ebce.tar.xz | |
mmc: renesas_sdhi: make 'fixed_addr_mode' a quirk
After Shimoda-san's much appreciated refactoring of the quirk handling,
we can convert now the 'fixed_addr_mode' from an ugly global flag to a
regular quirk. This makes quirk handling more consistent and easier to
maintain.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220320123016.57991-6-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.h | 1 | ||||
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_internal_dmac.c | 21 |
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h index 66d308e73e17..e6b1395e99a3 100644 --- a/drivers/mmc/host/renesas_sdhi.h +++ b/drivers/mmc/host/renesas_sdhi.h @@ -41,6 +41,7 @@ struct renesas_sdhi_of_data { struct renesas_sdhi_quirks { bool hs400_disabled; bool hs400_4taps; + bool fixed_addr_mode; u32 hs400_bad_taps; const u8 (*hs400_calib_table)[SDHI_CALIB_TABLE_MAX]; }; diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 06204ff94b4f..4d8df61657cd 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -81,9 +81,6 @@ static unsigned long global_flags; #define SDHI_INTERNAL_DMAC_ONE_RX_ONLY 0 #define SDHI_INTERNAL_DMAC_RX_IN_USE 1 -/* RZ/A2 does not have the ADRR_MODE bit */ -#define SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY 2 - /* Definitions for sampling clocks */ static struct renesas_sdhi_scc rcar_gen3_scc_taps[] = { { @@ -108,10 +105,6 @@ static const struct renesas_sdhi_of_data of_data_rza2 = { .max_segs = 1, }; -static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = { - .of_data = &of_data_rza2, -}; - static const struct renesas_sdhi_of_data of_data_rcar_gen3 = { .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL | TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2, @@ -178,6 +171,10 @@ static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = { .hs400_disabled = true, }; +static const struct renesas_sdhi_quirks sdhi_quirks_fixed_addr = { + .fixed_addr_mode = true, +}; + static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps1357 = { .hs400_bad_taps = BIT(1) | BIT(3) | BIT(5) | BIT(7), }; @@ -248,6 +245,11 @@ static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_nohs400_compat .quirks = &sdhi_quirks_nohs400, }; +static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = { + .of_data = &of_data_rza2, + .quirks = &sdhi_quirks_fixed_addr, +}; + static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = { { .compatible = "renesas,sdhi-r7s9210", .data = &of_rza2_compatible, }, { .compatible = "renesas,sdhi-mmc-r8a77470", .data = &of_rcar_gen3_compatible, }, @@ -358,10 +360,11 @@ static void renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, struct mmc_data *data) { + struct renesas_sdhi *priv = host_to_priv(host); struct scatterlist *sg = host->sg_ptr; u32 dtran_mode = DTRAN_MODE_BUS_WIDTH; - if (!test_bit(SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY, &global_flags)) + if (!priv->quirks->fixed_addr_mode) dtran_mode |= DTRAN_MODE_ADDR_MODE; if (!renesas_sdhi_internal_dmac_map(host, data, COOKIE_MAPPED)) @@ -522,8 +525,6 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_internal_dmac_dma_ops = { }; static const struct soc_device_attribute soc_dma_quirks[] = { - { .soc_id = "r7s9210", - .data = (void *)BIT(SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY) }, { .soc_id = "r8a7795", .revision = "ES1.*", .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) }, { .soc_id = "r8a7796", .revision = "ES1.0", |