mmc: constify mmc_host_ops vectors

Now that mmc_host_ops can be constified, update the various drivers
to constify those method tables and shrink the writable data segment.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

drivers/mmc/at91_mci.c

@@ -793,7 +793,7 @@ int at91_mci_get_ro(struct mmc_host *mmc)
 	return read_only;
 }
 
-static struct mmc_host_ops at91_mci_ops = {
+static const struct mmc_host_ops at91_mci_ops = {
 	.request	= at91_mci_request,
 	.set_ios	= at91_mci_set_ios,
 	.get_ro		= at91_mci_get_ro,

drivers/mmc/au1xmmc.c

@@ -875,7 +875,7 @@ static void au1xmmc_init_dma(struct au1xmmc_host *host)
 	host->rx_chan = rxchan;
 }
 
-struct mmc_host_ops au1xmmc_ops = {
+struct const mmc_host_ops au1xmmc_ops = {
 	.request	= au1xmmc_request,
 	.set_ios	= au1xmmc_set_ios,
 };

drivers/mmc/imxmmc.c

@@ -877,7 +877,7 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	}
 }
 
-static struct mmc_host_ops imxmci_ops = {
+static const struct mmc_host_ops imxmci_ops = {
 	.request	= imxmci_request,
 	.set_ios	= imxmci_set_ios,
 };

drivers/mmc/mmci.c

@@ -443,7 +443,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	}
 }
 
-static struct mmc_host_ops mmci_ops = {
+static const struct mmc_host_ops mmci_ops = {
 	.request	= mmci_request,
 	.set_ios	= mmci_set_ios,
 };

drivers/mmc/omap.c

@@ -960,7 +960,7 @@ static int mmc_omap_get_ro(struct mmc_host *mmc)
 	return host->wp_pin && omap_get_gpio_datain(host->wp_pin);
 }
 
-static struct mmc_host_ops mmc_omap_ops = {
+static const struct mmc_host_ops mmc_omap_ops = {
 	.request	= mmc_omap_request,
 	.set_ios	= mmc_omap_set_ios,
 	.get_ro		= mmc_omap_get_ro,

drivers/mmc/pxamci.c

@@ -393,7 +393,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		 host->clkrt, host->cmdat);
 }
 
-static struct mmc_host_ops pxamci_ops = {
+static const struct mmc_host_ops pxamci_ops = {
 	.request	= pxamci_request,
 	.get_ro		= pxamci_get_ro,
 	.set_ios	= pxamci_set_ios,

drivers/mmc/sdhci.c

@@ -784,7 +784,7 @@ static int sdhci_get_ro(struct mmc_host *mmc)
 	return !(present & SDHCI_WRITE_PROTECT);
 }
 
-static struct mmc_host_ops sdhci_ops = {
+static const struct mmc_host_ops sdhci_ops = {
 	.request	= sdhci_request,
 	.set_ios	= sdhci_set_ios,
 	.get_ro		= sdhci_get_ro,

drivers/mmc/wbsd.c

@@ -1021,7 +1021,7 @@ static int wbsd_get_ro(struct mmc_host *mmc)
 	return csr & WBSD_WRPT;
 }
 
-static struct mmc_host_ops wbsd_ops = {
+static const struct mmc_host_ops wbsd_ops = {
 	.request	= wbsd_request,
 	.set_ios	= wbsd_set_ios,
 	.get_ro		= wbsd_get_ro,