| Message ID | 20191110154012.24603-9-marek.vasut+renesas@gmail.com |
|---|---|
| State | Superseded |
| Delegated to: | Peng Fan |
| Headers | show |
| Series | [U-Boot,1/9] mmc: tmio: sdhi: Track current tap number in private data | expand |
Hi Marek, > Subject: [PATCH 9/9] mmc: tmio: sdhi: Add calibration tables CI failed with your patchset, https://travis-ci.org/MrVan/u-boot/jobs/614839247 +==================================================== arm: + alt +drivers/mmc/renesas-sdhi.c: In function 'renesas_sdhi_filter_caps': +drivers/mmc/renesas-sdhi.c:782:4: error: 'r8a7795_calib_table' undeclared (first use in this function) + r8a7795_calib_table[!rmobile_is_gen3_mmc0(priv)]; + ^~~~~~~~~~~~~~~~~~~ +drivers/mmc/renesas-sdhi.c:782:4: note: each undeclared identifier is reported only once for each function it appears in +drivers/mmc/renesas-sdhi.c:782:25: error: implicit declaration of function 'rmobile_is_gen3_mmc0' [-Werror=implicit-function-declaration] + ^~~~~~~~~~~~~~~~~~~~ +drivers/mmc/renesas-sdhi.c:792:4: error: 'r8a7796_rev1_calib_table' undeclared (first use in this function); did you mean 'r8a7795_calib_table'? + r8a7796_rev1_calib_table[!rmobile_is_gen3_mmc0(priv)]; + ^~~~~~~~~~~~~~~~~~~~~~~~ + r8a7795_calib_table +drivers/mmc/renesas-sdhi.c:803:4: error: 'r8a7796_rev3_calib_table' undeclared (first use in this function); did you mean 'r8a7796_rev1_calib_table'? + r8a7796_rev3_calib_table[!rmobile_is_gen3_mmc0(priv)]; + r8a7796_rev1_calib_table +drivers/mmc/renesas-sdhi.c:811:4: error: 'r8a77965_calib_table' undeclared (first use in this function); did you mean 'r8a7795_calib_table'? + r8a77965_calib_table[!rmobile_is_gen3_mmc0(priv)]; + ^~~~~~~~~~~~~~~~~~~~ Please check, Thanks, Peng. > > Instead of using single fixed value for the calibration offset, add tables which > dynamically adjust this per calibration code from the SCC. > > Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> > Cc: Masahiro Yamada <yamada.masahiro@socionext.com> > --- > drivers/mmc/renesas-sdhi.c | 97 > ++++++++++++++++++++++++++++++++------ > drivers/mmc/tmio-common.h | 1 + > 2 files changed, 83 insertions(+), 15 deletions(-) > > diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index > 087d8b47a8..d47f24425b 100644 > --- a/drivers/mmc/renesas-sdhi.c > +++ b/drivers/mmc/renesas-sdhi.c > @@ -63,6 +63,49 @@ > > #define RENESAS_SDHI_MAX_TAP 3 > > +#define CALIB_TABLE_MAX > (RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK + 1) > + > +static const u8 r8a7795_calib_table[2][CALIB_TABLE_MAX] = { > + { 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 5, 6, 6, 7, 11, > + 15, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 21 }, > + { 3, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, 12, 15, > + 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 22, 22 } }; > + > +static const u8 r8a7796_rev1_calib_table[2][CALIB_TABLE_MAX] = { > + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 9, > + 15, 15, 15, 16, 16, 16, 16, 16, 17, 18, 19, 20, 21, 21, 22, 22 }, > + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, > + 2, 9, 16, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 22, 23, 24} }; > + > +static const u8 r8a7796_rev3_calib_table[2][CALIB_TABLE_MAX] = { > + { 0, 0, 0, 0, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 9, 10, > + 11, 12, 13, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23 }, > + { 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, > + 13, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 24, 24 } }; > + > +static const u8 r8a77965_calib_table[2][CALIB_TABLE_MAX] = { > + { 0, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, > + 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 29 }, > + { 0, 1, 2, 2, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15, > + 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 31 } }; > + > +static const u8 r8a77990_calib_table[2][CALIB_TABLE_MAX] = { > + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + { 0, 0, 1, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 10, 11, > + 12, 13, 14, 16, 17, 18, 18, 18, 19, 19, 20, 24, 26, 26, 26, 26 } }; > + > +static int rmobile_is_gen3_mmc0(struct tmio_sd_priv *priv) { > + /* On R-Car Gen3, MMC0 is at 0xee140000 */ > + return (uintptr_t)(priv->regbase) == 0xee140000; } > + > static u32 sd_scc_tmpport_read32(struct tmio_sd_priv *priv, u32 addr) { > /* read mode */ > @@ -198,28 +241,30 @@ static void > renesas_sdhi_adjust_hs400_mode_enable(struct tmio_sd_priv *priv) > if (!priv->needs_adjust_hs400) > return; > > + if (!priv->adjust_hs400_calib_table) > + return; > + > /* > * Enabled Manual adjust HS400 mode > * > * 1) Disabled Write Protect > * W(addr=0x00, WP_DISABLE_CODE) > - * 2) Read Calibration code and adjust > - * R(addr=0x26) - adjust value > - * 3) Enabled Manual Calibration > + * > + * 2) Read Calibration code > + * read_value = R(addr=0x26) > + * 3) Refer to calibration table > + * Calibration code = table[read_value] > + * 4) Enabled Manual Calibration > * W(addr=0x22, manual mode | Calibration code) > - * 4) Set Offset value to TMPPORT3 Reg > + * 5) Set Offset value to TMPPORT3 Reg > */ > sd_scc_tmpport_write32(priv, 0x00, > RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE); > calib_code = sd_scc_tmpport_read32(priv, 0x26); > calib_code &= RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK; > - if (calib_code > priv->adjust_hs400_calibrate) > - calib_code -= priv->adjust_hs400_calibrate; > - else > - calib_code = 0; > sd_scc_tmpport_write32(priv, 0x22, > RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE | > - calib_code); > + priv->adjust_hs400_calib_table[calib_code]); > tmio_sd_writel(priv, priv->adjust_hs400_offset, > RENESAS_SDHI_SCC_TMPPORT3); > > @@ -711,12 +756,12 @@ static void renesas_sdhi_filter_caps(struct udevice > *dev) > if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3)) > return; > > - /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1,ES1.2 */ > + /* HS400 is not supported on H3 ES1.x and M3W ES1.0, ES1.1 */ > if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && > (rmobile_get_cpu_rev_integer() <= 1)) || > ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && > (rmobile_get_cpu_rev_integer() == 1) && > - (rmobile_get_cpu_rev_fraction() <= 2))) > + (rmobile_get_cpu_rev_fraction() < 2))) > plat->cfg.host_caps &= ~MMC_MODE_HS400; > > /* H3 ES2.0, ES3.0 and M3W ES1.2 and M3N bad taps */ @@ -728,28 > +773,50 @@ static void renesas_sdhi_filter_caps(struct udevice *dev) > (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965)) > priv->hs400_bad_tap = BIT(2) | BIT(3) | BIT(6) | BIT(7); > > + /* H3 ES3.0 can use HS400 with manual adjustment */ > + if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && > + (rmobile_get_cpu_rev_integer() >= 3)) { > + priv->adjust_hs400_enable = true; > + priv->adjust_hs400_offset = 0; > + priv->adjust_hs400_calib_table = > + r8a7795_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + } > + > + /* M3W ES1.2 can use HS400 with manual adjustment */ > + if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && > + (rmobile_get_cpu_rev_integer() == 1) && > + (rmobile_get_cpu_rev_fraction() == 2)) { > + priv->adjust_hs400_enable = true; > + priv->adjust_hs400_offset = 3; > + priv->adjust_hs400_calib_table = > + r8a7796_rev1_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + } > + > /* M3W ES1.x for x>2 can use HS400 with manual adjustment and taps > */ > if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && > (rmobile_get_cpu_rev_integer() == 1) && > (rmobile_get_cpu_rev_fraction() > 2)) { > priv->adjust_hs400_enable = true; > - priv->adjust_hs400_offset = 3; > - priv->adjust_hs400_calibrate = 0x9; > + priv->adjust_hs400_offset = 0; > priv->hs400_bad_tap = BIT(1) | BIT(3) | BIT(5) | BIT(7); > + priv->adjust_hs400_calib_table = > + r8a7796_rev3_calib_table[!rmobile_is_gen3_mmc0(priv)]; > } > > /* M3N can use HS400 with manual adjustment */ > if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965) { > priv->adjust_hs400_enable = true; > priv->adjust_hs400_offset = 3; > - priv->adjust_hs400_calibrate = 0x0; > + priv->adjust_hs400_calib_table = > + r8a77965_calib_table[!rmobile_is_gen3_mmc0(priv)]; > } > > /* E3 can use HS400 with manual adjustment */ > if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77990) { > priv->adjust_hs400_enable = true; > priv->adjust_hs400_offset = 3; > - priv->adjust_hs400_calibrate = 0x4; > + priv->adjust_hs400_calib_table = > + r8a77990_calib_table[!rmobile_is_gen3_mmc0(priv)]; > } > > /* H3 ES1.x, ES2.0 and M3W ES1.0, ES1.1, ES1.2 uses 4 tuning taps */ diff > --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h index > f39118e337..047458849b 100644 > --- a/drivers/mmc/tmio-common.h > +++ b/drivers/mmc/tmio-common.h > @@ -146,6 +146,7 @@ struct tmio_sd_priv { > u8 adjust_hs400_offset; > u8 adjust_hs400_calibrate; > u8 hs400_bad_tap; > + const u8 *adjust_hs400_calib_table; > #endif > ulong (*clk_get_rate)(struct tmio_sd_priv *); }; > -- > 2.24.0.rc1
On 11/22/19 7:22 AM, Peng Fan wrote: > Hi Marek, Hi, >> Subject: [PATCH 9/9] mmc: tmio: sdhi: Add calibration tables > > CI failed with your patchset, https://travis-ci.org/MrVan/u-boot/jobs/614839247 > +==================================================== > arm: + alt > +drivers/mmc/renesas-sdhi.c: In function 'renesas_sdhi_filter_caps': > +drivers/mmc/renesas-sdhi.c:782:4: error: 'r8a7795_calib_table' undeclared (first use in this function) > + r8a7795_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + ^~~~~~~~~~~~~~~~~~~ > +drivers/mmc/renesas-sdhi.c:782:4: note: each undeclared identifier is reported only once for each function it appears in > +drivers/mmc/renesas-sdhi.c:782:25: error: implicit declaration of function 'rmobile_is_gen3_mmc0' [-Werror=implicit-function-declaration] > + ^~~~~~~~~~~~~~~~~~~~ > +drivers/mmc/renesas-sdhi.c:792:4: error: 'r8a7796_rev1_calib_table' undeclared (first use in this function); did you mean 'r8a7795_calib_table'? > + r8a7796_rev1_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + ^~~~~~~~~~~~~~~~~~~~~~~~ > + r8a7795_calib_table > +drivers/mmc/renesas-sdhi.c:803:4: error: 'r8a7796_rev3_calib_table' undeclared (first use in this function); did you mean 'r8a7796_rev1_calib_table'? > + r8a7796_rev3_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + r8a7796_rev1_calib_table > +drivers/mmc/renesas-sdhi.c:811:4: error: 'r8a77965_calib_table' undeclared (first use in this function); did you mean 'r8a7795_calib_table'? > + r8a77965_calib_table[!rmobile_is_gen3_mmc0(priv)]; > + ^~~~~~~~~~~~~~~~~~~~ > > Please check, Ah, I sent a V2.
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 087d8b47a8..d47f24425b 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -63,6 +63,49 @@ #define RENESAS_SDHI_MAX_TAP 3 +#define CALIB_TABLE_MAX (RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK + 1) + +static const u8 r8a7795_calib_table[2][CALIB_TABLE_MAX] = { + { 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 5, 6, 6, 7, 11, + 15, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 21 }, + { 3, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, 12, 15, + 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 22, 22 } +}; + +static const u8 r8a7796_rev1_calib_table[2][CALIB_TABLE_MAX] = { + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 9, + 15, 15, 15, 16, 16, 16, 16, 16, 17, 18, 19, 20, 21, 21, 22, 22 }, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 2, 9, 16, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 22, 23, 24} +}; + +static const u8 r8a7796_rev3_calib_table[2][CALIB_TABLE_MAX] = { + { 0, 0, 0, 0, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 9, 10, + 11, 12, 13, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23 }, + { 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 24, 24 } +}; + +static const u8 r8a77965_calib_table[2][CALIB_TABLE_MAX] = { + { 0, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, + 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 29 }, + { 0, 1, 2, 2, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15, + 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 31 } +}; + +static const u8 r8a77990_calib_table[2][CALIB_TABLE_MAX] = { + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + { 0, 0, 1, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 10, 11, + 12, 13, 14, 16, 17, 18, 18, 18, 19, 19, 20, 24, 26, 26, 26, 26 } +}; + +static int rmobile_is_gen3_mmc0(struct tmio_sd_priv *priv) +{ + /* On R-Car Gen3, MMC0 is at 0xee140000 */ + return (uintptr_t)(priv->regbase) == 0xee140000; +} + static u32 sd_scc_tmpport_read32(struct tmio_sd_priv *priv, u32 addr) { /* read mode */ @@ -198,28 +241,30 @@ static void renesas_sdhi_adjust_hs400_mode_enable(struct tmio_sd_priv *priv) if (!priv->needs_adjust_hs400) return; + if (!priv->adjust_hs400_calib_table) + return; + /* * Enabled Manual adjust HS400 mode * * 1) Disabled Write Protect * W(addr=0x00, WP_DISABLE_CODE) - * 2) Read Calibration code and adjust - * R(addr=0x26) - adjust value - * 3) Enabled Manual Calibration + * + * 2) Read Calibration code + * read_value = R(addr=0x26) + * 3) Refer to calibration table + * Calibration code = table[read_value] + * 4) Enabled Manual Calibration * W(addr=0x22, manual mode | Calibration code) - * 4) Set Offset value to TMPPORT3 Reg + * 5) Set Offset value to TMPPORT3 Reg */ sd_scc_tmpport_write32(priv, 0x00, RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE); calib_code = sd_scc_tmpport_read32(priv, 0x26); calib_code &= RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK; - if (calib_code > priv->adjust_hs400_calibrate) - calib_code -= priv->adjust_hs400_calibrate; - else - calib_code = 0; sd_scc_tmpport_write32(priv, 0x22, RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE | - calib_code); + priv->adjust_hs400_calib_table[calib_code]); tmio_sd_writel(priv, priv->adjust_hs400_offset, RENESAS_SDHI_SCC_TMPPORT3); @@ -711,12 +756,12 @@ static void renesas_sdhi_filter_caps(struct udevice *dev) if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3)) return; - /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1,ES1.2 */ + /* HS400 is not supported on H3 ES1.x and M3W ES1.0, ES1.1 */ if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && (rmobile_get_cpu_rev_integer() <= 1)) || ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && (rmobile_get_cpu_rev_integer() == 1) && - (rmobile_get_cpu_rev_fraction() <= 2))) + (rmobile_get_cpu_rev_fraction() < 2))) plat->cfg.host_caps &= ~MMC_MODE_HS400; /* H3 ES2.0, ES3.0 and M3W ES1.2 and M3N bad taps */ @@ -728,28 +773,50 @@ static void renesas_sdhi_filter_caps(struct udevice *dev) (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965)) priv->hs400_bad_tap = BIT(2) | BIT(3) | BIT(6) | BIT(7); + /* H3 ES3.0 can use HS400 with manual adjustment */ + if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && + (rmobile_get_cpu_rev_integer() >= 3)) { + priv->adjust_hs400_enable = true; + priv->adjust_hs400_offset = 0; + priv->adjust_hs400_calib_table = + r8a7795_calib_table[!rmobile_is_gen3_mmc0(priv)]; + } + + /* M3W ES1.2 can use HS400 with manual adjustment */ + if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && + (rmobile_get_cpu_rev_integer() == 1) && + (rmobile_get_cpu_rev_fraction() == 2)) { + priv->adjust_hs400_enable = true; + priv->adjust_hs400_offset = 3; + priv->adjust_hs400_calib_table = + r8a7796_rev1_calib_table[!rmobile_is_gen3_mmc0(priv)]; + } + /* M3W ES1.x for x>2 can use HS400 with manual adjustment and taps */ if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && (rmobile_get_cpu_rev_integer() == 1) && (rmobile_get_cpu_rev_fraction() > 2)) { priv->adjust_hs400_enable = true; - priv->adjust_hs400_offset = 3; - priv->adjust_hs400_calibrate = 0x9; + priv->adjust_hs400_offset = 0; priv->hs400_bad_tap = BIT(1) | BIT(3) | BIT(5) | BIT(7); + priv->adjust_hs400_calib_table = + r8a7796_rev3_calib_table[!rmobile_is_gen3_mmc0(priv)]; } /* M3N can use HS400 with manual adjustment */ if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965) { priv->adjust_hs400_enable = true; priv->adjust_hs400_offset = 3; - priv->adjust_hs400_calibrate = 0x0; + priv->adjust_hs400_calib_table = + r8a77965_calib_table[!rmobile_is_gen3_mmc0(priv)]; } /* E3 can use HS400 with manual adjustment */ if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77990) { priv->adjust_hs400_enable = true; priv->adjust_hs400_offset = 3; - priv->adjust_hs400_calibrate = 0x4; + priv->adjust_hs400_calib_table = + r8a77990_calib_table[!rmobile_is_gen3_mmc0(priv)]; } /* H3 ES1.x, ES2.0 and M3W ES1.0, ES1.1, ES1.2 uses 4 tuning taps */ diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h index f39118e337..047458849b 100644 --- a/drivers/mmc/tmio-common.h +++ b/drivers/mmc/tmio-common.h @@ -146,6 +146,7 @@ struct tmio_sd_priv { u8 adjust_hs400_offset; u8 adjust_hs400_calibrate; u8 hs400_bad_tap; + const u8 *adjust_hs400_calib_table; #endif ulong (*clk_get_rate)(struct tmio_sd_priv *); };
Instead of using single fixed value for the calibration offset, add tables which dynamically adjust this per calibration code from the SCC. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> --- drivers/mmc/renesas-sdhi.c | 97 ++++++++++++++++++++++++++++++++------ drivers/mmc/tmio-common.h | 1 + 2 files changed, 83 insertions(+), 15 deletions(-)