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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-09 10:33:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-09 10:33:19 -0700
commitef9a61bef917e38f8e096f6df303329aed6cf467 (patch)
tree31cfe2444d0270e77ff8ef792df11591fed6075c /drivers/mtd/nand/r852.c
parentb5f0998cae3d7ea56d3d8377e46328fe972b9546 (diff)
parent6c3b88970175e18a67eb8e55c4eba10614d0d5dc (diff)
Merge tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd
Pull mtd updates from David Woodhouse: - factor out common code from MTD tests - nand-gpio cleanup and portability to non-ARM - m25p80 support for 4-byte addressing chips, other new chips - pxa3xx cleanup and support for new platforms - remove obsolete alauda, octagon-5066 drivers - erase/write support for bcm47xxsflash - improve detection of ECC requirements for NAND, controller setup - NFC acceleration support for atmel-nand, read/write via SRAM - etc * tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd: (184 commits) mtd: chips: Add support for PMC SPI Flash chips in m25p80.c mtd: ofpart: use for_each_child_of_node() macro mtd: mtdswap: replace strict_strtoul() with kstrtoul() mtd cs553x_nand: use kzalloc() instead of memset mtd: atmel_nand: fix error return code in atmel_nand_probe() mtd: bcm47xxsflash: writing support mtd: bcm47xxsflash: implement erasing support mtd: bcm47xxsflash: convert to module_platform_driver instead of init/exit mtd: bcm47xxsflash: convert kzalloc to avoid invalid access mtd: remove alauda driver mtd: nand: mxc_nand: mark 'const' properly mtd: maps: cfi_flagadm: add missing __iomem annotation mtd: spear_smi: add missing __iomem annotation mtd: r852: Staticize local symbols mtd: nandsim: Staticize local symbols mtd: impa7: add missing __iomem annotation mtd: sm_ftl: Staticize local symbols mtd: m25p80: add support for mr25h10 mtd: m25p80: make CONFIG_M25PXX_USE_FAST_READ safe to enable mtd: m25p80: Pass flags through CAT25_INFO macro ...
Diffstat (limited to 'drivers/mtd/nand/r852.c')
-rw-r--r--drivers/mtd/nand/r852.c49
1 files changed, 23 insertions, 26 deletions
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 4495f8551fa0..9dcf02d22aa8 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -229,7 +229,7 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read)
/*
* Program data lines of the nand chip to send data to it
*/
-void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
{
struct r852_device *dev = r852_get_dev(mtd);
uint32_t reg;
@@ -261,7 +261,7 @@ void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
/*
* Read data lines of the nand chip to retrieve data
*/
-void r852_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+static void r852_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
{
struct r852_device *dev = r852_get_dev(mtd);
uint32_t reg;
@@ -312,7 +312,7 @@ static uint8_t r852_read_byte(struct mtd_info *mtd)
/*
* Control several chip lines & send commands
*/
-void r852_cmdctl(struct mtd_info *mtd, int dat, unsigned int ctrl)
+static void r852_cmdctl(struct mtd_info *mtd, int dat, unsigned int ctrl)
{
struct r852_device *dev = r852_get_dev(mtd);
@@ -357,7 +357,7 @@ void r852_cmdctl(struct mtd_info *mtd, int dat, unsigned int ctrl)
* Wait till card is ready.
* based on nand_wait, but returns errors on DMA error
*/
-int r852_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int r852_wait(struct mtd_info *mtd, struct nand_chip *chip)
{
struct r852_device *dev = chip->priv;
@@ -386,7 +386,7 @@ int r852_wait(struct mtd_info *mtd, struct nand_chip *chip)
* Check if card is ready
*/
-int r852_ready(struct mtd_info *mtd)
+static int r852_ready(struct mtd_info *mtd)
{
struct r852_device *dev = r852_get_dev(mtd);
return !(r852_read_reg(dev, R852_CARD_STA) & R852_CARD_STA_BUSY);
@@ -397,7 +397,7 @@ int r852_ready(struct mtd_info *mtd)
* Set ECC engine mode
*/
-void r852_ecc_hwctl(struct mtd_info *mtd, int mode)
+static void r852_ecc_hwctl(struct mtd_info *mtd, int mode)
{
struct r852_device *dev = r852_get_dev(mtd);
@@ -429,7 +429,7 @@ void r852_ecc_hwctl(struct mtd_info *mtd, int mode)
* Calculate ECC, only used for writes
*/
-int r852_ecc_calculate(struct mtd_info *mtd, const uint8_t *dat,
+static int r852_ecc_calculate(struct mtd_info *mtd, const uint8_t *dat,
uint8_t *ecc_code)
{
struct r852_device *dev = r852_get_dev(mtd);
@@ -461,7 +461,7 @@ int r852_ecc_calculate(struct mtd_info *mtd, const uint8_t *dat,
* Correct the data using ECC, hw did almost everything for us
*/
-int r852_ecc_correct(struct mtd_info *mtd, uint8_t *dat,
+static int r852_ecc_correct(struct mtd_info *mtd, uint8_t *dat,
uint8_t *read_ecc, uint8_t *calc_ecc)
{
uint16_t ecc_reg;
@@ -529,7 +529,7 @@ static int r852_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
* Start the nand engine
*/
-void r852_engine_enable(struct r852_device *dev)
+static void r852_engine_enable(struct r852_device *dev)
{
if (r852_read_reg_dword(dev, R852_HW) & R852_HW_UNKNOWN) {
r852_write_reg(dev, R852_CTL, R852_CTL_RESET | R852_CTL_ON);
@@ -547,7 +547,7 @@ void r852_engine_enable(struct r852_device *dev)
* Stop the nand engine
*/
-void r852_engine_disable(struct r852_device *dev)
+static void r852_engine_disable(struct r852_device *dev)
{
r852_write_reg_dword(dev, R852_HW, 0);
r852_write_reg(dev, R852_CTL, R852_CTL_RESET);
@@ -557,7 +557,7 @@ void r852_engine_disable(struct r852_device *dev)
* Test if card is present
*/
-void r852_card_update_present(struct r852_device *dev)
+static void r852_card_update_present(struct r852_device *dev)
{
unsigned long flags;
uint8_t reg;
@@ -572,7 +572,7 @@ void r852_card_update_present(struct r852_device *dev)
* Update card detection IRQ state according to current card state
* which is read in r852_card_update_present
*/
-void r852_update_card_detect(struct r852_device *dev)
+static void r852_update_card_detect(struct r852_device *dev)
{
int card_detect_reg = r852_read_reg(dev, R852_CARD_IRQ_ENABLE);
dev->card_unstable = 0;
@@ -586,8 +586,8 @@ void r852_update_card_detect(struct r852_device *dev)
r852_write_reg(dev, R852_CARD_IRQ_ENABLE, card_detect_reg);
}
-ssize_t r852_media_type_show(struct device *sys_dev,
- struct device_attribute *attr, char *buf)
+static ssize_t r852_media_type_show(struct device *sys_dev,
+ struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = container_of(sys_dev, struct mtd_info, dev);
struct r852_device *dev = r852_get_dev(mtd);
@@ -597,11 +597,11 @@ ssize_t r852_media_type_show(struct device *sys_dev,
return strlen(data);
}
-DEVICE_ATTR(media_type, S_IRUGO, r852_media_type_show, NULL);
+static DEVICE_ATTR(media_type, S_IRUGO, r852_media_type_show, NULL);
/* Detect properties of card in slot */
-void r852_update_media_status(struct r852_device *dev)
+static void r852_update_media_status(struct r852_device *dev)
{
uint8_t reg;
unsigned long flags;
@@ -630,7 +630,7 @@ void r852_update_media_status(struct r852_device *dev)
* Register the nand device
* Called when the card is detected
*/
-int r852_register_nand_device(struct r852_device *dev)
+static int r852_register_nand_device(struct r852_device *dev)
{
dev->mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
@@ -668,7 +668,7 @@ error1:
* Unregister the card
*/
-void r852_unregister_nand_device(struct r852_device *dev)
+static void r852_unregister_nand_device(struct r852_device *dev)
{
if (!dev->card_registred)
return;
@@ -682,7 +682,7 @@ void r852_unregister_nand_device(struct r852_device *dev)
}
/* Card state updater */
-void r852_card_detect_work(struct work_struct *work)
+static void r852_card_detect_work(struct work_struct *work)
{
struct r852_device *dev =
container_of(work, struct r852_device, card_detect_work.work);
@@ -821,7 +821,7 @@ out:
return ret;
}
-int r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
+static int r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
{
int error;
struct nand_chip *chip;
@@ -961,7 +961,7 @@ error1:
return error;
}
-void r852_remove(struct pci_dev *pci_dev)
+static void r852_remove(struct pci_dev *pci_dev)
{
struct r852_device *dev = pci_get_drvdata(pci_dev);
@@ -992,7 +992,7 @@ void r852_remove(struct pci_dev *pci_dev)
pci_disable_device(pci_dev);
}
-void r852_shutdown(struct pci_dev *pci_dev)
+static void r852_shutdown(struct pci_dev *pci_dev)
{
struct r852_device *dev = pci_get_drvdata(pci_dev);
@@ -1002,7 +1002,7 @@ void r852_shutdown(struct pci_dev *pci_dev)
pci_disable_device(pci_dev);
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int r852_suspend(struct device *device)
{
struct r852_device *dev = pci_get_drvdata(to_pci_dev(device));
@@ -1055,9 +1055,6 @@ static int r852_resume(struct device *device)
r852_update_card_detect(dev);
return 0;
}
-#else
-#define r852_suspend NULL
-#define r852_resume NULL
#endif
static const struct pci_device_id r852_pci_id_tbl[] = {