| Message ID | 1309970870-13336-2-git-send-email-shawn.guo@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 07, 2011 at 12:47:47AM +0800, Shawn Guo wrote: > The patch copies platform data into pltfm_imx_data and reference > the data there than platform data after probe. > > This work is inspired by Grant Likely and Troy Kisky. > > Signed-off-by: Shawn Guo <shawn.guo@linaro.org> > Cc: Troy Kisky <troy.kisky@boundarydevices.com> > Cc: Grant Likely <grant.likely@secretlab.ca> > Cc: Wolfram Sang <w.sang@pengutronix.de> > Cc: Chris Ball <cjb@laptop.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> > --- > drivers/mmc/host/sdhci-esdhc-imx.c | 22 +++++++++++++--------- > 1 files changed, 13 insertions(+), 9 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c > index 3cc6f61..0b0e62e 100644 > --- a/drivers/mmc/host/sdhci-esdhc-imx.c > +++ b/drivers/mmc/host/sdhci-esdhc-imx.c > @@ -45,6 +45,7 @@ > struct pltfm_imx_data { > int flags; > u32 scratchpad; > + struct esdhc_platform_data boarddata; > }; > > static unsigned int esdhc_pltfm_get_max_blk_size(struct sdhci_host *host) > @@ -69,8 +70,9 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i > > static u32 esdhc_readl_le(struct sdhci_host *host, int reg) > { > - struct esdhc_platform_data *boarddata = > - host->mmc->parent->platform_data; > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct pltfm_imx_data *imx_data = pltfm_host->priv; > + struct esdhc_platform_data *boarddata = &imx_data->boarddata; > > /* fake CARD_PRESENT flag */ > u32 val = readl(host->ioaddr + reg); > @@ -92,8 +94,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) > { > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > struct pltfm_imx_data *imx_data = pltfm_host->priv; > - struct esdhc_platform_data *boarddata = > - host->mmc->parent->platform_data; > + struct esdhc_platform_data *boarddata = &imx_data->boarddata; > > if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE) > && (boarddata->cd_type == ESDHC_CD_GPIO))) > @@ -210,8 +211,9 @@ static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) > > static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) > { > - struct esdhc_platform_data *boarddata = > - host->mmc->parent->platform_data; > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct pltfm_imx_data *imx_data = pltfm_host->priv; > + struct esdhc_platform_data *boarddata = &imx_data->boarddata; > > switch (boarddata->wp_type) { > case ESDHC_WP_GPIO: > @@ -291,12 +293,14 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) > if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51())) > imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT; > > - boarddata = host->mmc->parent->platform_data; > - if (!boarddata) { > + if (!host->mmc->parent->platform_data) { > dev_err(mmc_dev(host->mmc), "no board data!\n"); > err = -EINVAL; > goto no_board_data; > } > + imx_data->boarddata = *((struct esdhc_platform_data *) > + host->mmc->parent->platform_data); > + boarddata = &imx_data->boarddata; > > /* write_protect */ > if (boarddata->wp_type == ESDHC_WP_GPIO) { > @@ -373,8 +377,8 @@ static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) > { > struct sdhci_host *host = platform_get_drvdata(pdev); > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > - struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; > struct pltfm_imx_data *imx_data = pltfm_host->priv; > + struct esdhc_platform_data *boarddata = &imx_data->boarddata; > int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); > > sdhci_remove_host(host, dead); > -- > 1.7.4.1 > >
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 3cc6f61..0b0e62e 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -45,6 +45,7 @@ struct pltfm_imx_data { int flags; u32 scratchpad; + struct esdhc_platform_data boarddata; }; static unsigned int esdhc_pltfm_get_max_blk_size(struct sdhci_host *host) @@ -69,8 +70,9 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i static u32 esdhc_readl_le(struct sdhci_host *host, int reg) { - struct esdhc_platform_data *boarddata = - host->mmc->parent->platform_data; + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; /* fake CARD_PRESENT flag */ u32 val = readl(host->ioaddr + reg); @@ -92,8 +94,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = pltfm_host->priv; - struct esdhc_platform_data *boarddata = - host->mmc->parent->platform_data; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE) && (boarddata->cd_type == ESDHC_CD_GPIO))) @@ -210,8 +211,9 @@ static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) { - struct esdhc_platform_data *boarddata = - host->mmc->parent->platform_data; + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; switch (boarddata->wp_type) { case ESDHC_WP_GPIO: @@ -291,12 +293,14 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51())) imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT; - boarddata = host->mmc->parent->platform_data; - if (!boarddata) { + if (!host->mmc->parent->platform_data) { dev_err(mmc_dev(host->mmc), "no board data!\n"); err = -EINVAL; goto no_board_data; } + imx_data->boarddata = *((struct esdhc_platform_data *) + host->mmc->parent->platform_data); + boarddata = &imx_data->boarddata; /* write_protect */ if (boarddata->wp_type == ESDHC_WP_GPIO) { @@ -373,8 +377,8 @@ static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); sdhci_remove_host(host, dead);
The patch copies platform data into pltfm_imx_data and reference the data there than platform data after probe. This work is inspired by Grant Likely and Troy Kisky. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Troy Kisky <troy.kisky@boundarydevices.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Chris Ball <cjb@laptop.org> --- drivers/mmc/host/sdhci-esdhc-imx.c | 22 +++++++++++++--------- 1 files changed, 13 insertions(+), 9 deletions(-)