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Date:	Mon, 16 Jun 2014 10:23:49 +0200
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Markus Mayer <markus.mayer@...aro.org>
Cc:	Chris Ball <chris@...ntf.net>, Tim Kryger <tim.kryger@...il.com>,
	Mike Looijmans <mike.looijmans@...ic.nl>,
	Andrew Bresticker <abrestic@...omium.org>,
	Linux MMC List <linux-mmc@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/2] mmc: sdhci: Replace host->mmc with mmc where possible

On 13 June 2014 19:13, Markus Mayer <markus.mayer@...aro.org> wrote:
> After the switch to the MMC core regulator infrastucture, we already
> have a local "mmc" pointer in various functions. There is no longer a
> need to access the data structure via host->mmc.
>
> Signed-off-by: Markus Mayer <markus.mayer@...aro.org>
> Reviewed-by: Matt Porter <mporter@...aro.org>

Hi Markus,

Could you run checkpatch? There were some warnings to handle.

Kind regards
Ulf Hansson

> ---
>  drivers/mmc/host/sdhci.c | 30 +++++++++++++++---------------
>  1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index ee524b0..54b5304 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1287,7 +1287,7 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
>
>         if (!IS_ERR(mmc->supply.vmmc)) {
>                 spin_unlock_irq(&host->lock);
> -               mmc_regulator_set_ocr(host->mmc, mmc->supply.vmmc, vdd);
> +               mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
>                 spin_lock_irq(&host->lock);
>         }
>  }
> @@ -1449,7 +1449,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
>                 spin_unlock_irqrestore(&host->lock, flags);
>                 if (!IS_ERR(mmc->supply.vmmc) &&
>                     ios->power_mode == MMC_POWER_OFF)
> -                       mmc_regulator_set_ocr(host->mmc, mmc->supply.vmmc, 0);
> +                       mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
>                 return;
>         }
>
> @@ -1734,7 +1734,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
>                                                     3600000);
>                         if (ret) {
>                                 pr_warning("%s: Switching to 3.3V signalling voltage "
> -                                               " failed\n", mmc_hostname(host->mmc));
> +                                               " failed\n", mmc_hostname(mmc));
>                                 return -EIO;
>                         }
>                 }
> @@ -1747,7 +1747,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
>                         return 0;
>
>                 pr_warning("%s: 3.3V regulator output did not became stable\n",
> -                               mmc_hostname(host->mmc));
> +                               mmc_hostname(mmc));
>
>                 return -EAGAIN;
>         case MMC_SIGNAL_VOLTAGE_180:
> @@ -1756,7 +1756,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
>                                         1700000, 1950000);
>                         if (ret) {
>                                 pr_warning("%s: Switching to 1.8V signalling voltage "
> -                                               " failed\n", mmc_hostname(host->mmc));
> +                                               " failed\n", mmc_hostname(mmc));
>                                 return -EIO;
>                         }
>                 }
> @@ -1777,7 +1777,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
>                         return 0;
>
>                 pr_warning("%s: 1.8V regulator output did not became stable\n",
> -                               mmc_hostname(host->mmc));
> +                               mmc_hostname(mmc));
>
>                 return -EAGAIN;
>         case MMC_SIGNAL_VOLTAGE_120:
> @@ -1786,7 +1786,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
>                                                     1300000);
>                         if (ret) {
>                                 pr_warning("%s: Switching to 1.2V signalling voltage "
> -                                               " failed\n", mmc_hostname(host->mmc));
> +                                               " failed\n", mmc_hostname(mmc));
>                                 return -EIO;
>                         }
>                 }
> @@ -2826,12 +2826,12 @@ int sdhci_add_host(struct sdhci_host *host)
>                  * (128) and potentially one alignment transfer for
>                  * each of those entries.
>                  */
> -               host->adma_desc = dma_alloc_coherent(mmc_dev(host->mmc),
> +               host->adma_desc = dma_alloc_coherent(mmc_dev(mmc),
>                                                      ADMA_SIZE, &host->adma_addr,
>                                                      GFP_KERNEL);
>                 host->align_buffer = kmalloc(128 * 4, GFP_KERNEL);
>                 if (!host->adma_desc || !host->align_buffer) {
> -                       dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
> +                       dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
>                                           host->adma_desc, host->adma_addr);
>                         kfree(host->align_buffer);
>                         pr_warning("%s: Unable to allocate ADMA "
> @@ -2844,7 +2844,7 @@ int sdhci_add_host(struct sdhci_host *host)
>                         pr_warning("%s: unable to allocate aligned ADMA descriptor\n",
>                                    mmc_hostname(mmc));
>                         host->flags &= ~SDHCI_USE_ADMA;
> -                       dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
> +                       dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
>                                           host->adma_desc, host->adma_addr);
>                         kfree(host->align_buffer);
>                         host->adma_desc = NULL;
> @@ -2859,7 +2859,7 @@ int sdhci_add_host(struct sdhci_host *host)
>          */
>         if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) {
>                 host->dma_mask = DMA_BIT_MASK(64);
> -               mmc_dev(host->mmc)->dma_mask = &host->dma_mask;
> +               mmc_dev(mmc)->dma_mask = &host->dma_mask;
>         }
>
>         if (host->version >= SDHCI_SPEC_300)
> @@ -2965,7 +2965,7 @@ int sdhci_add_host(struct sdhci_host *host)
>                 mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
>
>         if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) &&
> -           !(host->mmc->caps & MMC_CAP_NONREMOVABLE))
> +           !(mmc->caps & MMC_CAP_NONREMOVABLE))
>                 mmc->caps |= MMC_CAP_NEEDS_POLL;
>
>         /* If there are external regulators, get them */
> @@ -3261,7 +3261,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
>
>                 if (host->mrq) {
>                         pr_err("%s: Controller removed during "
> -                               " transfer!\n", mmc_hostname(host->mmc));
> +                               " transfer!\n", mmc_hostname(mmc));
>
>                         host->mrq->cmd->error = -ENOMEDIUM;
>                         tasklet_schedule(&host->finish_tasklet);
> @@ -3272,7 +3272,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
>
>         sdhci_disable_card_detection(host);
>
> -       mmc_remove_host(host->mmc);
> +       mmc_remove_host(mmc);
>
>  #ifdef SDHCI_USE_LEDS_CLASS
>         led_classdev_unregister(&host->led);
> @@ -3296,7 +3296,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
>                 regulator_disable(mmc->supply.vqmmc);
>
>         if (host->adma_desc)
> -               dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
> +               dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
>                                   host->adma_desc, host->adma_addr);
>         kfree(host->align_buffer);
>
> --
> 1.9.1
>
--
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