| Message ID | 20230307163041.3815-9-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | tree-wide: remove support for Renesas R-Car H3 ES1 | expand |
On Tue, 7 Mar 2023 at 17:31, Wolfram Sang <wsa+renesas@sang-engineering.com> wrote: > > R-Car H3 ES1.* was only available to an internal development group and > needed a lot of quirks and workarounds. These become a maintenance > burden now, so our development group decided to remove upstream support > and disable booting for this SoC. Public users only have ES2 onwards. > > Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Applied for next, thanks! Kind regards Uffe > --- > Please apply individually per subsystem. There are no dependencies and the SoC > doesn't boot anymore since v6.3-rc1. > > drivers/mmc/host/renesas_sdhi_internal_dmac.c | 10 ++++------ > 1 file changed, 4 insertions(+), 6 deletions(-) > > diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c > index f38003f6b1ca..9ab813903b2c 100644 > --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c > +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c > @@ -72,11 +72,10 @@ enum renesas_sdhi_dma_cookie { > > static unsigned long global_flags; > /* > - * Workaround for avoiding to use RX DMAC by multiple channels. > - * On R-Car H3 ES1.* and M3-W ES1.0, when multiple SDHI channels use > - * RX DMAC simultaneously, sometimes hundreds of bytes data are not > - * stored into the system memory even if the DMAC interrupt happened. > - * So, this driver then uses one RX DMAC channel only. > + * Workaround for avoiding to use RX DMAC by multiple channels. On R-Car M3-W > + * ES1.0, when multiple SDHI channels use RX DMAC simultaneously, sometimes > + * hundreds of data bytes are not stored into the system memory even if the > + * DMAC interrupt happened. So, this driver then uses one RX DMAC channel only. > */ > #define SDHI_INTERNAL_DMAC_RX_IN_USE 0 > > @@ -222,7 +221,6 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r9a09g011 = { > */ > 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_one_rx }, > { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap }, > { .soc_id = "r8a7796", .revision = "ES1.0", .data = &sdhi_quirks_4tap_nohs400_one_rx }, > { .soc_id = "r8a7796", .revision = "ES1.[12]", .data = &sdhi_quirks_4tap_nohs400 }, > -- > 2.35.1 >
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index f38003f6b1ca..9ab813903b2c 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -72,11 +72,10 @@ enum renesas_sdhi_dma_cookie { static unsigned long global_flags; /* - * Workaround for avoiding to use RX DMAC by multiple channels. - * On R-Car H3 ES1.* and M3-W ES1.0, when multiple SDHI channels use - * RX DMAC simultaneously, sometimes hundreds of bytes data are not - * stored into the system memory even if the DMAC interrupt happened. - * So, this driver then uses one RX DMAC channel only. + * Workaround for avoiding to use RX DMAC by multiple channels. On R-Car M3-W + * ES1.0, when multiple SDHI channels use RX DMAC simultaneously, sometimes + * hundreds of data bytes are not stored into the system memory even if the + * DMAC interrupt happened. So, this driver then uses one RX DMAC channel only. */ #define SDHI_INTERNAL_DMAC_RX_IN_USE 0 @@ -222,7 +221,6 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r9a09g011 = { */ 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_one_rx }, { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap }, { .soc_id = "r8a7796", .revision = "ES1.0", .data = &sdhi_quirks_4tap_nohs400_one_rx }, { .soc_id = "r8a7796", .revision = "ES1.[12]", .data = &sdhi_quirks_4tap_nohs400 },