Re: [PATCH v2] mmc: atmel-mci: Remove AVR32 bits from the driver

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On 9 May 2017 at 19:21, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> AVR32 is gone. Now it's time to clean up the driver by removing
> leftovers that was used by AVR32 related code.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
> In v2:
> - remove more leftovers of avr32
>  drivers/mmc/host/Kconfig     |  8 ++++----
>  drivers/mmc/host/atmel-mci.c | 24 ++----------------------
>  2 files changed, 6 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> index 2db84dd664d7..e7d3b097cd30 100644
> --- a/drivers/mmc/host/Kconfig
> +++ b/drivers/mmc/host/Kconfig
> @@ -408,11 +408,11 @@ config MMC_AU1X
>
>  config MMC_ATMELMCI
>         tristate "Atmel SD/MMC Driver (Multimedia Card Interface)"
> -       depends on AVR32 || ARCH_AT91
> +       depends on ARCH_AT91
>         help
> -         This selects the Atmel Multimedia Card Interface driver. If
> -         you have an AT32 (AVR32) or AT91 platform with a Multimedia
> -         Card slot, say Y or M here.
> +         This selects the Atmel Multimedia Card Interface driver.
> +         If you have an AT91 platform with a Multimedia Card slot,
> +         say Y or M here.
>
>           If unsure, say N.
>
> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
> index 388e4a3f13e6..2e96d964f582 100644
> --- a/drivers/mmc/host/atmel-mci.c
> +++ b/drivers/mmc/host/atmel-mci.c
> @@ -44,7 +44,7 @@
>  #include <asm/unaligned.h>
>
>  /*
> - * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors
> + * Superset of MCI IP registers integrated in Atmel AT91 Processor
>   * Registers and bitfields marked with [2] are only available in MCI2
>   */
>
> @@ -172,13 +172,6 @@
>  #define        atmci_writel(port, reg, value)                  \
>         __raw_writel((value), (port)->regs + reg)
>
> -/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */
> -#ifdef CONFIG_AVR32
> -#      define ATMCI_PDC_CONNECTED      0
> -#else
> -#      define ATMCI_PDC_CONNECTED      1
> -#endif
> -
>  #define AUTOSUSPEND_DELAY      50
>
>  #define ATMCI_DATA_ERROR_FLAGS (ATMCI_DCRCE | ATMCI_DTOE | ATMCI_OVRE | ATMCI_UNRE)
> @@ -1549,21 +1542,8 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>                         mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd);
>                 break;
>         default:
> -               /*
> -                * TODO: None of the currently available AVR32-based
> -                * boards allow MMC power to be turned off. Implement
> -                * power control when this can be tested properly.
> -                *
> -                * We also need to hook this into the clock management
> -                * somehow so that newly inserted cards aren't
> -                * subjected to a fast clock before we have a chance
> -                * to figure out what the maximum rate is. Currently,
> -                * there's no way to avoid this, and there never will
> -                * be for boards that don't support power control.
> -                */
>                 break;
>         }
> -
>  }
>
>  static int atmci_get_ro(struct mmc_host *mmc)
> @@ -2464,7 +2444,7 @@ static void atmci_get_cap(struct atmel_mci *host)
>                         "version: 0x%x\n", version);
>
>         host->caps.has_dma_conf_reg = 0;
> -       host->caps.has_pdc = ATMCI_PDC_CONNECTED;
> +       host->caps.has_pdc = 1;
>         host->caps.has_cfg_reg = 0;
>         host->caps.has_cstor_reg = 0;
>         host->caps.has_highspeed = 0;
> --
> 2.11.0
>
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