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-rw-r--r--drivers/mtd/devices/Kconfig10
-rw-r--r--drivers/mtd/devices/Makefile1
-rw-r--r--drivers/mtd/devices/bcm47xxsflash.c105
-rw-r--r--drivers/mtd/devices/doc2001plus.c14
-rw-r--r--drivers/mtd/devices/docg3.c12
-rw-r--r--drivers/mtd/devices/m25p80.c24
-rw-r--r--drivers/mtd/devices/spear_smi.c141
7 files changed, 192 insertions, 115 deletions
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 4cdb2af7bf44..27f80cd8aef3 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -97,7 +97,7 @@ config MTD_M25P80
doesn't support the JEDEC ID instruction.
config M25PXX_USE_FAST_READ
- bool "Use FAST_READ OPCode allowing SPI CLK <= 50MHz"
+ bool "Use FAST_READ OPCode allowing SPI CLK >= 50MHz"
depends on MTD_M25P80
default y
help
@@ -120,6 +120,14 @@ config MTD_SST25L
Set up your spi devices with the right board-specific platform data,
if you want to specify device partitioning.
+config MTD_BCM47XXSFLASH
+ tristate "R/O support for serial flash on BCMA bus"
+ depends on BCMA_SFLASH
+ help
+ BCMA bus can have various flash memories attached, they are
+ registered by bcma as platform devices. This enables driver for
+ serial flash memories (only read-only mode is implemented).
+
config MTD_SLRAM
tristate "Uncached system RAM"
help
diff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile
index a4dd1d822b6c..395733a30ef4 100644
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -19,5 +19,6 @@ obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o
obj-$(CONFIG_MTD_M25P80) += m25p80.o
obj-$(CONFIG_MTD_SPEAR_SMI) += spear_smi.o
obj-$(CONFIG_MTD_SST25L) += sst25l.o
+obj-$(CONFIG_MTD_BCM47XXSFLASH) += bcm47xxsflash.o
CFLAGS_docg3.o += -I$(src) \ No newline at end of file
diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c
new file mode 100644
index 000000000000..2dc5a6f3fd57
--- /dev/null
+++ b/drivers/mtd/devices/bcm47xxsflash.c
@@ -0,0 +1,105 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/mtd/mtd.h>
+#include <linux/platform_device.h>
+#include <linux/bcma/bcma.h>
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Serial flash driver for BCMA bus");
+
+static const char *probes[] = { "bcm47xxpart", NULL };
+
+static int bcm47xxsflash_read(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf)
+{
+ struct bcma_sflash *sflash = mtd->priv;
+
+ /* Check address range */
+ if ((from + len) > mtd->size)
+ return -EINVAL;
+
+ memcpy_fromio(buf, (void __iomem *)KSEG0ADDR(sflash->window + from),
+ len);
+
+ return len;
+}
+
+static void bcm47xxsflash_fill_mtd(struct bcma_sflash *sflash,
+ struct mtd_info *mtd)
+{
+ mtd->priv = sflash;
+ mtd->name = "bcm47xxsflash";
+ mtd->owner = THIS_MODULE;
+ mtd->type = MTD_ROM;
+ mtd->size = sflash->size;
+ mtd->_read = bcm47xxsflash_read;
+
+ /* TODO: implement writing support and verify/change following code */
+ mtd->flags = MTD_CAP_ROM;
+ mtd->writebufsize = mtd->writesize = 1;
+}
+
+static int bcm47xxsflash_probe(struct platform_device *pdev)
+{
+ struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev);
+ int err;
+
+ sflash->mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
+ if (!sflash->mtd) {
+ err = -ENOMEM;
+ goto out;
+ }
+ bcm47xxsflash_fill_mtd(sflash, sflash->mtd);
+
+ err = mtd_device_parse_register(sflash->mtd, probes, NULL, NULL, 0);
+ if (err) {
+ pr_err("Failed to register MTD device: %d\n", err);
+ goto err_dev_reg;
+ }
+
+ return 0;
+
+err_dev_reg:
+ kfree(sflash->mtd);
+out:
+ return err;
+}
+
+static int __devexit bcm47xxsflash_remove(struct platform_device *pdev)
+{
+ struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev);
+
+ mtd_device_unregister(sflash->mtd);
+ kfree(sflash->mtd);
+
+ return 0;
+}
+
+static struct platform_driver bcma_sflash_driver = {
+ .remove = __devexit_p(bcm47xxsflash_remove),
+ .driver = {
+ .name = "bcma_sflash",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init bcm47xxsflash_init(void)
+{
+ int err;
+
+ err = platform_driver_probe(&bcma_sflash_driver, bcm47xxsflash_probe);
+ if (err)
+ pr_err("Failed to register BCMA serial flash driver: %d\n",
+ err);
+
+ return err;
+}
+
+static void __exit bcm47xxsflash_exit(void)
+{
+ platform_driver_unregister(&bcma_sflash_driver);
+}
+
+module_init(bcm47xxsflash_init);
+module_exit(bcm47xxsflash_exit);
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 04eb2e4aa50f..4f2220ad8924 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -659,23 +659,15 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
#ifdef ECC_DEBUG
printk("%s(%d): Millennium Plus ECC error (from=0x%x:\n",
__FILE__, __LINE__, (int)from);
- printk(" syndrome= %02x:%02x:%02x:%02x:%02x:"
- "%02x\n",
- syndrome[0], syndrome[1], syndrome[2],
- syndrome[3], syndrome[4], syndrome[5]);
- printk(" eccbuf= %02x:%02x:%02x:%02x:%02x:"
- "%02x\n",
- eccbuf[0], eccbuf[1], eccbuf[2],
- eccbuf[3], eccbuf[4], eccbuf[5]);
+ printk(" syndrome= %*phC\n", 6, syndrome);
+ printk(" eccbuf= %*phC\n", 6, eccbuf);
#endif
ret = -EIO;
}
}
#ifdef PSYCHO_DEBUG
- printk("ECC DATA at %lx: %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n",
- (long)from, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],
- eccbuf[4], eccbuf[5]);
+ printk("ECC DATA at %lx: %*ph\n", (long)from, 6, eccbuf);
#endif
/* disable the ECC engine */
WriteDOC(DOC_ECC_DIS, docptr , Mplus_ECCConf);
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index f70854d728fe..d34d83b8f9c2 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -919,19 +919,13 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from,
eccconf1 = doc_register_readb(docg3, DOC_ECCCONF1);
if (nboob >= DOC_LAYOUT_OOB_SIZE) {
- doc_dbg("OOB - INFO: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- oobbuf[0], oobbuf[1], oobbuf[2], oobbuf[3],
- oobbuf[4], oobbuf[5], oobbuf[6]);
+ doc_dbg("OOB - INFO: %*phC\n", 7, oobbuf);
doc_dbg("OOB - HAMMING: %02x\n", oobbuf[7]);
- doc_dbg("OOB - BCH_ECC: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- oobbuf[8], oobbuf[9], oobbuf[10], oobbuf[11],
- oobbuf[12], oobbuf[13], oobbuf[14]);
+ doc_dbg("OOB - BCH_ECC: %*phC\n", 7, oobbuf + 8);
doc_dbg("OOB - UNUSED: %02x\n", oobbuf[15]);
}
doc_dbg("ECC checks: ECCConf1=%x\n", eccconf1);
- doc_dbg("ECC HW_ECC: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- hwecc[0], hwecc[1], hwecc[2], hwecc[3], hwecc[4],
- hwecc[5], hwecc[6]);
+ doc_dbg("ECC HW_ECC: %*phC\n", 7, hwecc);
ret = -EIO;
if (is_prot_seq_error(docg3))
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 5d0d68c3fe27..03838bab1f59 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -633,11 +633,14 @@ static const struct spi_device_id m25p_ids[] = {
{ "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) },
{ "at26df321", INFO(0x1f4700, 0, 64 * 1024, 64, SECT_4K) },
+ { "at45db081d", INFO(0x1f2500, 0, 64 * 1024, 16, SECT_4K) },
+
/* EON -- en25xxx */
{ "en25f32", INFO(0x1c3116, 0, 64 * 1024, 64, SECT_4K) },
{ "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) },
{ "en25q32b", INFO(0x1c3016, 0, 64 * 1024, 64, 0) },
{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
+ { "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) },
/* Everspin */
{ "mr25h256", CAT25_INFO( 32 * 1024, 1, 256, 2) },
@@ -646,6 +649,7 @@ static const struct spi_device_id m25p_ids[] = {
{ "160s33b", INFO(0x898911, 0, 64 * 1024, 32, 0) },
{ "320s33b", INFO(0x898912, 0, 64 * 1024, 64, 0) },
{ "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) },
+ { "n25q064", INFO(0x20ba17, 0, 64 * 1024, 128, 0) },
/* Macronix */
{ "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
@@ -659,15 +663,15 @@ static const struct spi_device_id m25p_ids[] = {
{ "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },
{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
+ /* Micron */
+ { "n25q128", INFO(0x20ba18, 0, 64 * 1024, 256, 0) },
+ { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K) },
+
/* Spansion -- single (large) sector size only, at least
* for the chips listed here (without boot sectors).
*/
- { "s25sl004a", INFO(0x010212, 0, 64 * 1024, 8, 0) },
- { "s25sl008a", INFO(0x010213, 0, 64 * 1024, 16, 0) },
- { "s25sl016a", INFO(0x010214, 0, 64 * 1024, 32, 0) },
- { "s25sl032a", INFO(0x010215, 0, 64 * 1024, 64, 0) },
- { "s25sl032p", INFO(0x010215, 0x4d00, 64 * 1024, 64, SECT_4K) },
- { "s25sl064a", INFO(0x010216, 0, 64 * 1024, 128, 0) },
+ { "s25sl032p", INFO(0x010215, 0x4d00, 64 * 1024, 64, 0) },
+ { "s25sl064p", INFO(0x010216, 0x4d00, 64 * 1024, 128, 0) },
{ "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128, 0) },
{ "s25fl256s1", INFO(0x010219, 0x4d01, 64 * 1024, 512, 0) },
{ "s25fl512s", INFO(0x010220, 0x4d00, 256 * 1024, 256, 0) },
@@ -676,6 +680,11 @@ static const struct spi_device_id m25p_ids[] = {
{ "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) },
{ "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024, 64, 0) },
{ "s25fl129p1", INFO(0x012018, 0x4d01, 64 * 1024, 256, 0) },
+ { "s25sl004a", INFO(0x010212, 0, 64 * 1024, 8, 0) },
+ { "s25sl008a", INFO(0x010213, 0, 64 * 1024, 16, 0) },
+ { "s25sl016a", INFO(0x010214, 0, 64 * 1024, 32, 0) },
+ { "s25sl032a", INFO(0x010215, 0, 64 * 1024, 64, 0) },
+ { "s25sl064a", INFO(0x010216, 0, 64 * 1024, 128, 0) },
{ "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K) },
{ "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
@@ -699,6 +708,7 @@ static const struct spi_device_id m25p_ids[] = {
{ "m25p32", INFO(0x202016, 0, 64 * 1024, 64, 0) },
{ "m25p64", INFO(0x202017, 0, 64 * 1024, 128, 0) },
{ "m25p128", INFO(0x202018, 0, 256 * 1024, 64, 0) },
+ { "n25q032", INFO(0x20ba16, 0, 64 * 1024, 64, 0) },
{ "m25p05-nonjedec", INFO(0, 0, 32 * 1024, 2, 0) },
{ "m25p10-nonjedec", INFO(0, 0, 32 * 1024, 4, 0) },
@@ -714,6 +724,7 @@ static const struct spi_device_id m25p_ids[] = {
{ "m45pe80", INFO(0x204014, 0, 64 * 1024, 16, 0) },
{ "m45pe16", INFO(0x204015, 0, 64 * 1024, 32, 0) },
+ { "m25pe20", INFO(0x208012, 0, 64 * 1024, 4, 0) },
{ "m25pe80", INFO(0x208014, 0, 64 * 1024, 16, 0) },
{ "m25pe16", INFO(0x208015, 0, 64 * 1024, 32, SECT_4K) },
@@ -730,6 +741,7 @@ static const struct spi_device_id m25p_ids[] = {
{ "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) },
{ "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) },
{ "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) },
+ { "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, SECT_4K) },
{ "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
{ "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 67960362681e..dcc3c9511530 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/param.h>
#include <linux/platform_device.h>
+#include <linux/pm.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/spear_smi.h>
@@ -240,8 +241,8 @@ static int spear_smi_read_sr(struct spear_smi *dev, u32 bank)
/* copy dev->status (lower 16 bits) in order to release lock */
if (ret > 0)
ret = dev->status & 0xffff;
- else
- ret = -EIO;
+ else if (ret == 0)
+ ret = -ETIMEDOUT;
/* restore the ctrl regs state */
writel(ctrlreg1, dev->io_base + SMI_CR1);
@@ -269,16 +270,19 @@ static int spear_smi_wait_till_ready(struct spear_smi *dev, u32 bank,
finish = jiffies + timeout;
do {
status = spear_smi_read_sr(dev, bank);
- if (status < 0)
- continue; /* try till timeout */
- else if (!(status & SR_WIP))
+ if (status < 0) {
+ if (status == -ETIMEDOUT)
+ continue; /* try till finish */
+ return status;
+ } else if (!(status & SR_WIP)) {
return 0;
+ }
cond_resched();
} while (!time_after_eq(jiffies, finish));
dev_err(&dev->pdev->dev, "smi controller is busy, timeout\n");
- return status;
+ return -EBUSY;
}
/**
@@ -335,6 +339,9 @@ static void spear_smi_hw_init(struct spear_smi *dev)
val = HOLD1 | BANK_EN | DSEL_TIME | (prescale << 8);
mutex_lock(&dev->lock);
+ /* clear all interrupt conditions */
+ writel(0, dev->io_base + SMI_SR);
+
writel(val, dev->io_base + SMI_CR1);
mutex_unlock(&dev->lock);
}
@@ -391,11 +398,11 @@ static int spear_smi_write_enable(struct spear_smi *dev, u32 bank)
writel(ctrlreg1, dev->io_base + SMI_CR1);
writel(0, dev->io_base + SMI_CR2);
- if (ret <= 0) {
+ if (ret == 0) {
ret = -EIO;
dev_err(&dev->pdev->dev,
"smi controller failed on write enable\n");
- } else {
+ } else if (ret > 0) {
/* check whether write mode status is set for required bank */
if (dev->status & (1 << (bank + WM_SHIFT)))
ret = 0;
@@ -462,10 +469,10 @@ static int spear_smi_erase_sector(struct spear_smi *dev,
ret = wait_event_interruptible_timeout(dev->cmd_complete,
dev->status & TFF, SMI_CMD_TIMEOUT);
- if (ret <= 0) {
+ if (ret == 0) {
ret = -EIO;
dev_err(&dev->pdev->dev, "sector erase failed\n");
- } else
+ } else if (ret > 0)
ret = 0; /* success */
/* restore ctrl regs */
@@ -820,7 +827,7 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
if (!flash_info)
return -ENODEV;
- flash = kzalloc(sizeof(*flash), GFP_ATOMIC);
+ flash = devm_kzalloc(&pdev->dev, sizeof(*flash), GFP_ATOMIC);
if (!flash)
return -ENOMEM;
flash->bank = bank;
@@ -831,15 +838,13 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
flash_index = spear_smi_probe_flash(dev, bank);
if (flash_index < 0) {
dev_info(&dev->pdev->dev, "smi-nor%d not found\n", bank);
- ret = flash_index;
- goto err_probe;
+ return flash_index;
}
/* map the memory for nor flash chip */
- flash->base_addr = ioremap(flash_info->mem_base, flash_info->size);
- if (!flash->base_addr) {
- ret = -EIO;
- goto err_probe;
- }
+ flash->base_addr = devm_ioremap(&pdev->dev, flash_info->mem_base,
+ flash_info->size);
+ if (!flash->base_addr)
+ return -EIO;
dev->flash[bank] = flash;
flash->mtd.priv = dev;
@@ -881,17 +886,10 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
count);
if (ret) {
dev_err(&dev->pdev->dev, "Err MTD partition=%d\n", ret);
- goto err_map;
+ return ret;
}
return 0;
-
-err_map:
- iounmap(flash->base_addr);
-
-err_probe:
- kfree(flash);
- return ret;
}
/**
@@ -928,20 +926,13 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
}
} else {
pdata = dev_get_platdata(&pdev->dev);
- if (pdata < 0) {
+ if (!pdata) {
ret = -ENODEV;
dev_err(&pdev->dev, "no platform data\n");
goto err;
}
}
- smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!smi_base) {
- ret = -ENODEV;
- dev_err(&pdev->dev, "invalid smi base address\n");
- goto err;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = -ENODEV;
@@ -949,32 +940,26 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
goto err;
}
- dev = kzalloc(sizeof(*dev), GFP_ATOMIC);
+ dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_ATOMIC);
if (!dev) {
ret = -ENOMEM;
dev_err(&pdev->dev, "mem alloc fail\n");
goto err;
}
- smi_base = request_mem_region(smi_base->start, resource_size(smi_base),
- pdev->name);
- if (!smi_base) {
- ret = -EBUSY;
- dev_err(&pdev->dev, "request mem region fail\n");
- goto err_mem;
- }
+ smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dev->io_base = ioremap(smi_base->start, resource_size(smi_base));
+ dev->io_base = devm_request_and_ioremap(&pdev->dev, smi_base);
if (!dev->io_base) {
ret = -EIO;
- dev_err(&pdev->dev, "ioremap fail\n");
- goto err_ioremap;
+ dev_err(&pdev->dev, "devm_request_and_ioremap fail\n");
+ goto err;
}
dev->pdev = pdev;
dev->clk_rate = pdata->clk_rate;
- if (dev->clk_rate < 0 || dev->clk_rate > SMI_MAX_CLOCK_FREQ)
+ if (dev->clk_rate > SMI_MAX_CLOCK_FREQ)
dev->clk_rate = SMI_MAX_CLOCK_FREQ;
dev->num_flashes = pdata->num_flashes;
@@ -984,17 +969,18 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
dev->num_flashes = MAX_NUM_FLASH_CHIP;
}
- dev->clk = clk_get(&pdev->dev, NULL);
+ dev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dev->clk)) {
ret = PTR_ERR(dev->clk);
- goto err_clk;
+ goto err;
}
ret = clk_prepare_enable(dev->clk);
if (ret)
- goto err_clk_prepare_enable;
+ goto err;
- ret = request_irq(irq, spear_smi_int_handler, 0, pdev->name, dev);
+ ret = devm_request_irq(&pdev->dev, irq, spear_smi_int_handler, 0,
+ pdev->name, dev);
if (ret) {
dev_err(&dev->pdev->dev, "SMI IRQ allocation failed\n");
goto err_irq;
@@ -1017,18 +1003,9 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
return 0;
err_bank_setup:
- free_irq(irq, dev);
platform_set_drvdata(pdev, NULL);
err_irq:
clk_disable_unprepare(dev->clk);
-err_clk_prepare_enable:
- clk_put(dev->clk);
-err_clk:
- iounmap(dev->io_base);
-err_ioremap:
- release_mem_region(smi_base->start, resource_size(smi_base));
-err_mem:
- kfree(dev);
err:
return ret;
}
@@ -1042,11 +1019,8 @@ err:
static int __devexit spear_smi_remove(struct platform_device *pdev)
{
struct spear_smi *dev;
- struct spear_smi_plat_data *pdata;
struct spear_snor_flash *flash;
- struct resource *smi_base;
- int ret;
- int i, irq;
+ int ret, i;
dev = platform_get_drvdata(pdev);
if (!dev) {
@@ -1054,8 +1028,6 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
return -ENODEV;
}
- pdata = dev_get_platdata(&pdev->dev);
-
/* clean up for all nor flash */
for (i = 0; i < dev->num_flashes; i++) {
flash = dev->flash[i];
@@ -1066,49 +1038,41 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
ret = mtd_device_unregister(&flash->mtd);
if (ret)
dev_err(&pdev->dev, "error removing mtd\n");
-
- iounmap(flash->base_addr);
- kfree(flash);
}
- irq = platform_get_irq(pdev, 0);
- free_irq(irq, dev);
-
clk_disable_unprepare(dev->clk);
- clk_put(dev->clk);
- iounmap(dev->io_base);
- kfree(dev);
-
- smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(smi_base->start, resource_size(smi_base));
platform_set_drvdata(pdev, NULL);
return 0;
}
-int spear_smi_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM
+static int spear_smi_suspend(struct device *dev)
{
- struct spear_smi *dev = platform_get_drvdata(pdev);
+ struct spear_smi *sdev = dev_get_drvdata(dev);
- if (dev && dev->clk)
- clk_disable_unprepare(dev->clk);
+ if (sdev && sdev->clk)
+ clk_disable_unprepare(sdev->clk);
return 0;
}
-int spear_smi_resume(struct platform_device *pdev)
+static int spear_smi_resume(struct device *dev)
{
- struct spear_smi *dev = platform_get_drvdata(pdev);
+ struct spear_smi *sdev = dev_get_drvdata(dev);
int ret = -EPERM;
- if (dev && dev->clk)
- ret = clk_prepare_enable(dev->clk);
+ if (sdev && sdev->clk)
+ ret = clk_prepare_enable(sdev->clk);
if (!ret)
- spear_smi_hw_init(dev);
+ spear_smi_hw_init(sdev);
return ret;
}
+static SIMPLE_DEV_PM_OPS(spear_smi_pm_ops, spear_smi_suspend, spear_smi_resume);
+#endif
+
#ifdef CONFIG_OF
static const struct of_device_id spear_smi_id_table[] = {
{ .compatible = "st,spear600-smi" },
@@ -1123,11 +1087,12 @@ static struct platform_driver spear_smi_driver = {
.bus = &platform_bus_type,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(spear_smi_id_table),
+#ifdef CONFIG_PM
+ .pm = &spear_smi_pm_ops,
+#endif
},
.probe = spear_smi_probe,
.remove = __devexit_p(spear_smi_remove),
- .suspend = spear_smi_suspend,
- .resume = spear_smi_resume,
};
static int spear_smi_init(void)
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-02 08:17:06 +0100