Re: [PATCH 8/8] ARM: omap_hsmmc: remove platform data dma_mask and initialization

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Apr 18, 2012 at 3:42 PM, Russell King
<rmk+kernel@xxxxxxxxxxxxxxxx> wrote:
> DMAengine uses the DMA engine device structure when mapping/unmapping
> memory for DMA, so the MMC devices do not need their DMA masks
> initialized (this reflects hardware: the MMC device is not the device
> doing DMA.)
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-omap1/board-h2-mmc.c    |    1 -
>  arch/arm/mach-omap1/board-h3-mmc.c    |    1 -
>  arch/arm/mach-omap1/board-nokia770.c  |    1 -
>  arch/arm/mach-omap2/board-n8x0.c      |    1 -
>  arch/arm/mach-omap2/hsmmc.c           |    1 -
>  arch/arm/plat-omap/include/plat/mmc.h |    2 --
Hi,

drivers/mmc/host/omap.c is also using dma_mask should that also be removed

>  6 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
> index da0e37d..e1362ce 100644
> --- a/arch/arm/mach-omap1/board-h2-mmc.c
> +++ b/arch/arm/mach-omap1/board-h2-mmc.c
> @@ -54,7 +54,6 @@ static struct omap_mmc_platform_data mmc1_data = {
>        .nr_slots                       = 1,
>        .init                           = mmc_late_init,
>        .cleanup                        = mmc_cleanup,
> -       .dma_mask                       = 0xffffffff,
>        .slots[0]       = {
>                .set_power              = mmc_set_power,
>                .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
> diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c
> index f8242aa..c74daac 100644
> --- a/arch/arm/mach-omap1/board-h3-mmc.c
> +++ b/arch/arm/mach-omap1/board-h3-mmc.c
> @@ -36,7 +36,6 @@ static int mmc_set_power(struct device *dev, int slot, int power_on,
>  */
>  static struct omap_mmc_platform_data mmc1_data = {
>        .nr_slots                       = 1,
> -       .dma_mask                       = 0xffffffff,
>        .slots[0]       = {
>                .set_power              = mmc_set_power,
>                .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
> diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
> index d21dcc2..cac9954 100644
> --- a/arch/arm/mach-omap1/board-nokia770.c
> +++ b/arch/arm/mach-omap1/board-nokia770.c
> @@ -185,7 +185,6 @@ static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
>
>  static struct omap_mmc_platform_data nokia770_mmc2_data = {
>        .nr_slots                       = 1,
> -       .dma_mask                       = 0xffffffff,
>        .max_freq                       = 12000000,
>        .slots[0]       = {
>                .set_power              = nokia770_mmc_set_power,
> diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
> index 518091c..1003748 100644
> --- a/arch/arm/mach-omap2/board-n8x0.c
> +++ b/arch/arm/mach-omap2/board-n8x0.c
> @@ -470,7 +470,6 @@ static struct omap_mmc_platform_data mmc1_data = {
>        .cleanup                        = n8x0_mmc_cleanup,
>        .shutdown                       = n8x0_mmc_shutdown,
>        .max_freq                       = 24000000,
> -       .dma_mask                       = 0xffffffff,
>        .slots[0] = {
>                .wires                  = 4,
>                .set_power              = n8x0_mmc_set_power,
> diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
> index b0268ea..41e5277 100644
> --- a/arch/arm/mach-omap2/hsmmc.c
> +++ b/arch/arm/mach-omap2/hsmmc.c
> @@ -315,7 +315,6 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
>        mmc->slots[0].caps = c->caps;
>        mmc->slots[0].pm_caps = c->pm_caps;
>        mmc->slots[0].internal_clock = !c->ext_clock;
> -       mmc->dma_mask = 0xffffffff;
>        mmc->max_freq = c->max_freq;
>        if (cpu_is_omap44xx())
>                mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
> diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
> index 7a38750..9fe87a7 100644
> --- a/arch/arm/plat-omap/include/plat/mmc.h
> +++ b/arch/arm/plat-omap/include/plat/mmc.h
> @@ -80,8 +80,6 @@ struct omap_mmc_platform_data {
>        /* Return context loss count due to PM states changing */
>        int (*get_context_loss_count)(struct device *dev);
>
> -       u64 dma_mask;
> -
>        /* Integrating attributes from the omap_hwmod layer */
>        u8 controller_flags;
>
> --
> 1.7.4.4
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux