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-rw-r--r--arch/arm/include/asm/cache.h16
-rw-r--r--arch/arm/include/asm/page.h7
-rw-r--r--arch/arm/mach-mx2/clock_imx21.c2
-rw-r--r--arch/arm/mach-mx2/clock_imx27.c2
-rw-r--r--arch/arm/mach-mx3/clock-imx35.c2
-rw-r--r--arch/arm/mach-mx3/clock.c2
-rw-r--r--arch/arm/mach-pxa/devices.c5
-rw-r--r--arch/arm/mach-pxa/imote2.c2
-rw-r--r--arch/arm/mm/proc-v7.S36
-rw-r--r--drivers/ide/pdc202xx_old.c22
-rw-r--r--drivers/mmc/host/mvsdio.c35
-rw-r--r--drivers/mmc/host/mxcmmc.c47
-rw-r--r--drivers/mmc/host/omap.c2
-rw-r--r--drivers/mmc/host/omap_hsmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-of.c9
-rw-r--r--drivers/serial/imx.c2
-rw-r--r--include/linux/amba/serial.h1
17 files changed, 139 insertions, 55 deletions
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index cb7a9e97fd7..feaa75f0013 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -7,4 +7,20 @@
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+/*
+ * Memory returned by kmalloc() may be used for DMA, so we must make
+ * sure that all such allocations are cache aligned. Otherwise,
+ * unrelated code may cause parts of the buffer to be read into the
+ * cache before the transfer is done, causing old data to be seen by
+ * the CPU.
+ */
+#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+
+/*
+ * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
+ */
+#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
+#define ARCH_SLAB_MINALIGN 8
+#endif
+
#endif
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index e6eb8a67b80..7b522770f29 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -202,13 +202,6 @@ typedef struct page *pgtable_t;
(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-/*
- * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
- */
-#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
-#define ARCH_SLAB_MINALIGN 8
-#endif
-
#include <asm-generic/page.h>
#endif
diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c
index 999d013e06e..e4b08ca804e 100644
--- a/arch/arm/mach-mx2/clock_imx21.c
+++ b/arch/arm/mach-mx2/clock_imx21.c
@@ -890,7 +890,7 @@ static struct clk clko_clk = {
.con_id = n, \
.clk = &c, \
},
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
/* It's unlikely that any driver wants one of them directly:
_REGISTER_CLOCK(NULL, "ckih", ckih_clk)
_REGISTER_CLOCK(NULL, "ckil", ckil_clk)
diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c
index 3f7280c490f..2c971442f3f 100644
--- a/arch/arm/mach-mx2/clock_imx27.c
+++ b/arch/arm/mach-mx2/clock_imx27.c
@@ -621,7 +621,7 @@ DEFINE_CLOCK1(csi_clk, 0, 0, 0, parent, &csi_clk1, &per4_clk);
.clk = &c, \
},
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c
index 53a112d4e04..3c1e06f56dd 100644
--- a/arch/arm/mach-mx3/clock-imx35.c
+++ b/arch/arm/mach-mx3/clock-imx35.c
@@ -404,7 +404,7 @@ DEFINE_CLOCK(gpu2d_clk, 0, CCM_CGR3, 4, NULL, NULL);
.clk = &c, \
},
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "asrc", asrc_clk)
_REGISTER_CLOCK(NULL, "ata", ata_clk)
_REGISTER_CLOCK(NULL, "audmux", audmux_clk)
diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c
index 9957a11533a..a68fcf981ed 100644
--- a/arch/arm/mach-mx3/clock.c
+++ b/arch/arm/mach-mx3/clock.c
@@ -516,7 +516,7 @@ DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk);
.clk = &c, \
},
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "emi", emi_clk)
_REGISTER_CLOCK(NULL, "cspi", cspi1_clk)
_REGISTER_CLOCK(NULL, "cspi", cspi2_clk)
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index d245e59c51b..29970f703f3 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -72,7 +72,10 @@ void __init pxa_set_mci_info(struct pxamci_platform_data *info)
}
-static struct pxa2xx_udc_mach_info pxa_udc_info;
+static struct pxa2xx_udc_mach_info pxa_udc_info = {
+ .gpio_pullup = -1,
+ .gpio_vbus = -1,
+};
void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info)
{
diff --git a/arch/arm/mach-pxa/imote2.c b/arch/arm/mach-pxa/imote2.c
index 2121309b247..2b27336c29f 100644
--- a/arch/arm/mach-pxa/imote2.c
+++ b/arch/arm/mach-pxa/imote2.c
@@ -412,7 +412,7 @@ static struct platform_device imote2_flash_device = {
*/
static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
{ /* UCAM sensor board */
- .type = "max1238",
+ .type = "max1239",
.addr = 0x35,
}, { /* ITS400 Sensor board only */
.type = "max1363",
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 3397f1e64d7..a08d9d2380d 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -184,23 +184,37 @@ __v7_setup:
stmia r12, {r0-r5, r7, r9, r11, lr}
bl v7_flush_dcache_all
ldmia r12, {r0-r5, r7, r9, r11, lr}
+
+ mrc p15, 0, r0, c0, c0, 0 @ read main ID register
+ and r10, r0, #0xff000000 @ ARM?
+ teq r10, #0x41000000
+ bne 2f
+ and r5, r0, #0x00f00000 @ variant
+ and r6, r0, #0x0000000f @ revision
+ orr r0, r6, r5, lsr #20-4 @ combine variant and revision
+
#ifdef CONFIG_ARM_ERRATA_430973
- mrc p15, 0, r10, c1, c0, 1 @ read aux control register
- orr r10, r10, #(1 << 6) @ set IBE to 1
- mcr p15, 0, r10, c1, c0, 1 @ write aux control register
+ teq r5, #0x00100000 @ only present in r1p*
+ mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
+ orreq r10, r10, #(1 << 6) @ set IBE to 1
+ mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_458693
- mrc p15, 0, r10, c1, c0, 1 @ read aux control register
- orr r10, r10, #(1 << 5) @ set L1NEON to 1
- orr r10, r10, #(1 << 9) @ set PLDNOP to 1
- mcr p15, 0, r10, c1, c0, 1 @ write aux control register
+ teq r0, #0x20 @ only present in r2p0
+ mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
+ orreq r10, r10, #(1 << 5) @ set L1NEON to 1
+ orreq r10, r10, #(1 << 9) @ set PLDNOP to 1
+ mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_460075
- mrc p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
- orr r10, r10, #(1 << 22) @ set the Write Allocate disable bit
- mcr p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
+ teq r0, #0x20 @ only present in r2p0
+ mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
+ tsteq r10, #1 << 22
+ orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit
+ mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
#endif
- mov r10, #0
+
+2: mov r10, #0
#ifdef HARVARD_CACHE
mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate
#endif
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 248a54bd238..b3bc96f930a 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2006-2007 MontaVista Software, Inc.
+ * Copyright (C) 2006-2007, 2009 MontaVista Software, Inc.
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
*
* Portions Copyright (C) 1999 Promise Technology, Inc.
@@ -227,28 +227,19 @@ somebody_else:
return (dma_stat & 4) == 4; /* return 1 if INTR asserted */
}
-static void pdc202xx_reset_host (ide_hwif_t *hwif)
+static void pdc202xx_reset(ide_drive_t *drive)
{
+ ide_hwif_t *hwif = drive->hwif;
unsigned long high_16 = hwif->extra_base - 16;
u8 udma_speed_flag = inb(high_16 | 0x001f);
+ printk(KERN_WARNING "PDC202xx: software reset...\n");
+
outb(udma_speed_flag | 0x10, high_16 | 0x001f);
mdelay(100);
outb(udma_speed_flag & ~0x10, high_16 | 0x001f);
mdelay(2000); /* 2 seconds ?! */
- printk(KERN_WARNING "PDC202XX: %s channel reset.\n",
- hwif->channel ? "Secondary" : "Primary");
-}
-
-static void pdc202xx_reset (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- ide_hwif_t *mate = hwif->mate;
-
- pdc202xx_reset_host(hwif);
- pdc202xx_reset_host(mate);
-
ide_set_max_pio(drive);
}
@@ -328,9 +319,8 @@ static const struct ide_dma_ops pdc20246_dma_ops = {
.dma_start = ide_dma_start,
.dma_end = ide_dma_end,
.dma_test_irq = pdc202xx_dma_test_irq,
- .dma_lost_irq = pdc202xx_dma_lost_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_clear = pdc202xx_reset,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index c643d0fe118..b56d72ff06e 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -64,6 +64,31 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
unsigned int tmout;
int tmout_index;
+ /*
+ * Hardware weirdness. The FIFO_EMPTY bit of the HW_STATE
+ * register is sometimes not set before a while when some
+ * "unusual" data block sizes are used (such as with the SWITCH
+ * command), even despite the fact that the XFER_DONE interrupt
+ * was raised. And if another data transfer starts before
+ * this bit comes to good sense (which eventually happens by
+ * itself) then the new transfer simply fails with a timeout.
+ */
+ if (!(mvsd_read(MVSD_HW_STATE) & (1 << 13))) {
+ unsigned long t = jiffies + HZ;
+ unsigned int hw_state, count = 0;
+ do {
+ if (time_after(jiffies, t)) {
+ dev_warn(host->dev, "FIFO_EMPTY bit missing\n");
+ break;
+ }
+ hw_state = mvsd_read(MVSD_HW_STATE);
+ count++;
+ } while (!(hw_state & (1 << 13)));
+ dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit "
+ "(hw=0x%04x, count=%d, jiffies=%ld)\n",
+ hw_state, count, jiffies - (t - HZ));
+ }
+
/* If timeout=0 then maximum timeout index is used. */
tmout = DIV_ROUND_UP(data->timeout_ns, host->ns_per_clk);
tmout += data->timeout_clks;
@@ -620,9 +645,18 @@ static void mvsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->bus_width == MMC_BUS_WIDTH_4)
ctrl_reg |= MVSD_HOST_CTRL_DATA_WIDTH_4_BITS;
+ /*
+ * The HI_SPEED_EN bit is causing trouble with many (but not all)
+ * high speed SD, SDHC and SDIO cards. Not enabling that bit
+ * makes all cards work. So let's just ignore that bit for now
+ * and revisit this issue if problems for not enabling this bit
+ * are ever reported.
+ */
+#if 0
if (ios->timing == MMC_TIMING_MMC_HS ||
ios->timing == MMC_TIMING_SD_HS)
ctrl_reg |= MVSD_HOST_CTRL_HI_SPEED_EN;
+#endif
host->ctrl = ctrl_reg;
mvsd_write(MVSD_HOST_CTRL, ctrl_reg);
@@ -882,3 +916,4 @@ module_param(nodma, int, 0);
MODULE_AUTHOR("Maen Suleiman, Nicolas Pitre");
MODULE_DESCRIPTION("Marvell MMC,SD,SDIO Host Controller driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mvsdio");
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index b4a615c55f2..f4cbe473670 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -140,6 +140,8 @@ struct mxcmci_host {
struct work_struct datawork;
};
+static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
+
static inline int mxcmci_use_dma(struct mxcmci_host *host)
{
return host->do_dma;
@@ -160,7 +162,7 @@ static void mxcmci_softreset(struct mxcmci_host *host)
writew(0xff, host->base + MMC_REG_RES_TO);
}
-static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
+static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
{
unsigned int nob = data->blocks;
unsigned int blksz = data->blksz;
@@ -168,6 +170,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
#ifdef HAS_DMA
struct scatterlist *sg;
int i;
+ int ret;
#endif
if (data->flags & MMC_DATA_STREAM)
nob = 0xffff;
@@ -183,7 +186,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
for_each_sg(data->sg, sg, data->sg_len, i) {
if (sg->offset & 3 || sg->length & 3) {
host->do_dma = 0;
- return;
+ return 0;
}
}
@@ -192,23 +195,30 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, host->dma_dir);
- imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
- host->res->start + MMC_REG_BUFFER_ACCESS,
- DMA_MODE_READ);
+ ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+ datasize,
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_READ);
} else {
host->dma_dir = DMA_TO_DEVICE;
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, host->dma_dir);
- imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
- host->res->start + MMC_REG_BUFFER_ACCESS,
- DMA_MODE_WRITE);
+ ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+ datasize,
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_WRITE);
}
+ if (ret) {
+ dev_err(mmc_dev(host->mmc), "failed to setup DMA : %d\n", ret);
+ return ret;
+ }
wmb();
imx_dma_enable(host->dma);
#endif /* HAS_DMA */
+ return 0;
}
static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
@@ -345,8 +355,11 @@ static int mxcmci_poll_status(struct mxcmci_host *host, u32 mask)
stat = readl(host->base + MMC_REG_STATUS);
if (stat & STATUS_ERR_MASK)
return stat;
- if (time_after(jiffies, timeout))
+ if (time_after(jiffies, timeout)) {
+ mxcmci_softreset(host);
+ mxcmci_set_clk_rate(host, host->clock);
return STATUS_TIME_OUT_READ;
+ }
if (stat & mask)
return 0;
cpu_relax();
@@ -531,6 +544,7 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
{
struct mxcmci_host *host = mmc_priv(mmc);
unsigned int cmdat = host->cmdat;
+ int error;
WARN_ON(host->req != NULL);
@@ -540,7 +554,12 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
host->do_dma = 1;
#endif
if (req->data) {
- mxcmci_setup_data(host, req->data);
+ error = mxcmci_setup_data(host, req->data);
+ if (error) {
+ req->cmd->error = error;
+ goto out;
+ }
+
cmdat |= CMD_DAT_CONT_DATA_ENABLE;
@@ -548,7 +567,9 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
cmdat |= CMD_DAT_CONT_WRITE;
}
- if (mxcmci_start_cmd(host, req->cmd, cmdat))
+ error = mxcmci_start_cmd(host, req->cmd, cmdat);
+out:
+ if (error)
mxcmci_finish_request(host, req);
}
@@ -724,7 +745,9 @@ static int mxcmci_probe(struct platform_device *pdev)
goto out_clk_put;
}
- mmc->f_min = clk_get_rate(host->clk) >> 7;
+ mmc->f_min = clk_get_rate(host->clk) >> 16;
+ if (mmc->f_min < 400000)
+ mmc->f_min = 400000;
mmc->f_max = clk_get_rate(host->clk) >> 1;
/* recommended in data sheet */
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index bfa25c01c87..dceb5ee3bda 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -822,7 +822,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
del_timer(&host->cmd_abort_timer);
host->abort = 1;
OMAP_MMC_WRITE(host, IE, 0);
- disable_irq(host->irq);
+ disable_irq_nosync(host->irq);
schedule_work(&host->cmd_abort_work);
return IRQ_HANDLED;
}
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e62a22a7f00..c40cb96255a 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -680,7 +680,7 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
host->dma_ch = -1;
/*
* DMA Callback: run in interrupt context.
- * mutex_unlock will through a kernel warning if used.
+ * mutex_unlock will throw a kernel warning if used.
*/
up(&host->sem);
}
diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index 3ff4ac3abe8..128c614d11a 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -55,7 +55,13 @@ static u32 esdhc_readl(struct sdhci_host *host, int reg)
static u16 esdhc_readw(struct sdhci_host *host, int reg)
{
- return in_be16(host->ioaddr + (reg ^ 0x2));
+ u16 ret;
+
+ if (unlikely(reg == SDHCI_HOST_VERSION))
+ ret = in_be16(host->ioaddr + reg);
+ else
+ ret = in_be16(host->ioaddr + (reg ^ 0x2));
+ return ret;
}
static u8 esdhc_readb(struct sdhci_host *host, int reg)
@@ -277,6 +283,7 @@ static int __devexit sdhci_of_remove(struct of_device *ofdev)
static const struct of_device_id sdhci_of_match[] = {
{ .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, },
{ .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, },
+ { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, },
{ .compatible = "generic-sdhci", },
{},
};
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 9f460b175c5..5f0be40dfda 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options)
if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
co->index = 0;
sport = imx_ports[co->index];
+ if(sport == NULL)
+ return -ENODEV;
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 48ee32a18ac..64a982ea5d5 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -159,6 +159,7 @@
#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS)
#ifndef __ASSEMBLY__
+struct amba_device; /* in uncompress this is included but amba/bus.h is not */
struct amba_pl010_data {
void (*set_mctrl)(struct amba_device *dev, void __iomem *base, unsigned int mctrl);
};