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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-23 01:09:22 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-23 01:09:22 +0100
commita36cf6865120d7534fcb132d311f03e5159f2da7 (patch)
tree1c9beded305965ce4493502e9873ffb43bf04880 /drivers/mtd/nand/raw/gpio.c
parentMerge tag 'hwmon-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging (diff)
parentMerge tag 'nand/for-4.20' of git://git.infradead.org/linux-mtd into mtd/next (diff)
downloadlinux-dev-a36cf6865120d7534fcb132d311f03e5159f2da7.tar.xz
linux-dev-a36cf6865120d7534fcb132d311f03e5159f2da7.zip
Merge tag 'mtd/for-4.20' of git://git.infradead.org/linux-mtd
Pull mtd updates from Boris Brezillon: "SPI NOR core changes: - Support non-uniform erase size - Support controllers with limited TX fifo size Driver changes: - m25p80: Re-issue a WREN command after each write access - cadence: Pass a proper dir value to dma_[un]map_single() - fsl-qspi: Check fsl_qspi_get_seqid() return val make sure 4B addressing opcodes are properly handled - intel-spi: Add a new PCI entry for Ice Lake Raw NAND core changes: - Two batchs of cleanups of the NAND API, including: * Deprecating a lot of interfaces (now replaced by ->exec_op()). * Moving code in separate drivers (JEDEC, ONFI), in private files (internals), in platform drivers, etc. * Functions/structures reordering. * Exclusive use of the nand_chip structure instead of the MTD one all across the subsystem. - Addition of the nand_wait_readrdy/rdy_op() helpers. Raw NAND controllers drivers changes: - Various coccinelle patches. - Marvell: * Use regmap_update_bits() for syscon access. * More documentation. * BCH failure path rework. * More layouts to be supported. * IRQ handler complete() condition fixed. - Fsl_ifc: * SRAM initialization fixed for newer controller versions. - Denali: * Fix licenses mismatch and use a SPDX tag. * Set SPARE_AREA_SKIP_BYTES register to 8 if unset. - Qualcomm: * Do not include dma-direct.h. - Docg4: * Removed. - Ams-delta: * Use of a GPIO lookup table * Internal machinery changes. Raw NAND chip drivers changes: - Toshiba: * Add support for Toshiba memory BENAND * Pass a single nand_chip object to the status helper. - ESMT: * New driver to retrieve the ECC requirements from the 5th ID byte. MTD changes: - physmap cleanups/fixe - gpio-addr-flash cleanups/fixes" * tag 'mtd/for-4.20' of git://git.infradead.org/linux-mtd: (93 commits) jffs2: free jffs2_sb_info through jffs2_kill_sb() mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB mtd: spi-nor: intel-spi: Add support for Intel Ice Lake SPI serial flash mtd: maps: gpio-addr-flash: Convert to gpiod mtd: maps: gpio-addr-flash: Replace array with an integer mtd: maps: gpio-addr-flash: Use order instead of size mtd: spi-nor: fsl-quadspi: Don't let -EINVAL on the bus mtd: devices: m25p80: Make sure WRITE_EN is issued before each write mtd: spi-nor: Support controllers with limited TX FIFO size mtd: spi-nor: cadence-quadspi: Use proper enum for dma_[un]map_single mtd: spi-nor: parse SFDP Sector Map Parameter Table mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories mtd: rawnand: marvell: fix the IRQ handler complete() condition mtd: rawnand: denali: set SPARE_AREA_SKIP_BYTES register to 8 if unset mtd: rawnand: r852: fix spelling mistake "card_registred" -> "card_registered" mtd: rawnand: toshiba: Pass a single nand_chip object to the status helper mtd: maps: gpio-addr-flash: Use devm_* functions mtd: maps: gpio-addr-flash: Fix ioremapped size mtd: maps: gpio-addr-flash: Replace custom printk mtd: physmap_of: Release resources on error ...
Diffstat (limited to 'drivers/mtd/nand/raw/gpio.c')
-rw-r--r--drivers/mtd/nand/raw/gpio.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c
index 2780af26d9ab..a6c9a824a7d4 100644
--- a/drivers/mtd/nand/raw/gpio.c
+++ b/drivers/mtd/nand/raw/gpio.c
@@ -73,9 +73,10 @@ static void gpio_nand_dosync(struct gpiomtd *gpiomtd)
static inline void gpio_nand_dosync(struct gpiomtd *gpiomtd) {}
#endif
-static void gpio_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+static void gpio_nand_cmd_ctrl(struct nand_chip *chip, int cmd,
+ unsigned int ctrl)
{
- struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+ struct gpiomtd *gpiomtd = gpio_nand_getpriv(nand_to_mtd(chip));
gpio_nand_dosync(gpiomtd);
@@ -89,13 +90,13 @@ static void gpio_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
if (cmd == NAND_CMD_NONE)
return;
- writeb(cmd, gpiomtd->nand_chip.IO_ADDR_W);
+ writeb(cmd, gpiomtd->nand_chip.legacy.IO_ADDR_W);
gpio_nand_dosync(gpiomtd);
}
-static int gpio_nand_devready(struct mtd_info *mtd)
+static int gpio_nand_devready(struct nand_chip *chip)
{
- struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+ struct gpiomtd *gpiomtd = gpio_nand_getpriv(nand_to_mtd(chip));
return gpiod_get_value(gpiomtd->rdy);
}
@@ -194,7 +195,7 @@ static int gpio_nand_remove(struct platform_device *pdev)
{
struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);
- nand_release(nand_to_mtd(&gpiomtd->nand_chip));
+ nand_release(&gpiomtd->nand_chip);
/* Enable write protection and disable the chip */
if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
@@ -224,9 +225,9 @@ static int gpio_nand_probe(struct platform_device *pdev)
chip = &gpiomtd->nand_chip;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- chip->IO_ADDR_R = devm_ioremap_resource(dev, res);
- if (IS_ERR(chip->IO_ADDR_R))
- return PTR_ERR(chip->IO_ADDR_R);
+ chip->legacy.IO_ADDR_R = devm_ioremap_resource(dev, res);
+ if (IS_ERR(chip->legacy.IO_ADDR_R))
+ return PTR_ERR(chip->legacy.IO_ADDR_R);
res = gpio_nand_get_io_sync(pdev);
if (res) {
@@ -270,15 +271,15 @@ static int gpio_nand_probe(struct platform_device *pdev)
}
/* Using RDY pin */
if (gpiomtd->rdy)
- chip->dev_ready = gpio_nand_devready;
+ chip->legacy.dev_ready = gpio_nand_devready;
nand_set_flash_node(chip, pdev->dev.of_node);
- chip->IO_ADDR_W = chip->IO_ADDR_R;
+ chip->legacy.IO_ADDR_W = chip->legacy.IO_ADDR_R;
chip->ecc.mode = NAND_ECC_SOFT;
chip->ecc.algo = NAND_ECC_HAMMING;
chip->options = gpiomtd->plat.options;
- chip->chip_delay = gpiomtd->plat.chip_delay;
- chip->cmd_ctrl = gpio_nand_cmd_ctrl;
+ chip->legacy.chip_delay = gpiomtd->plat.chip_delay;
+ chip->legacy.cmd_ctrl = gpio_nand_cmd_ctrl;
mtd = nand_to_mtd(chip);
mtd->dev.parent = dev;
@@ -289,7 +290,7 @@ static int gpio_nand_probe(struct platform_device *pdev)
if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
gpiod_direction_output(gpiomtd->nwp, 1);
- ret = nand_scan(mtd, 1);
+ ret = nand_scan(chip, 1);
if (ret)
goto err_wp;