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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-09 14:48:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-09 14:48:21 -0700 |
commit | a59e57da49f7c3f3de8cf4b7568a0c6c82f5b242 (patch) | |
tree | 521ccae942f9d226409cadb5503f74f78858e0af /drivers/mtd/nand/oxnas_nand.c | |
parent | 0ce5c79f384b9f730cf03a1e464673ae906e7c89 (diff) | |
parent | d1f936d73683a540227cca3aaecdb68b6c3d53c5 (diff) | |
download | linux-stable-a59e57da49f7c3f3de8cf4b7568a0c6c82f5b242.tar.gz linux-stable-a59e57da49f7c3f3de8cf4b7568a0c6c82f5b242.tar.bz2 linux-stable-a59e57da49f7c3f3de8cf4b7568a0c6c82f5b242.zip |
Merge tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd
Pull MTD updates from Boris Brezillon:
"General updates:
- Constify pci_device_id in various drivers
- Constify device_type
- Remove pad control code from the Gemini driver
- Use %pOF to print OF node full_name
- Various fixes in the physmap_of driver
- Remove unused vars in mtdswap
- Check devm_kzalloc() return value in the spear_smi driver
- Check clk_prepare_enable() return code in the st_spi_fsm driver
- Create per MTD device debugfs enties
NAND updates, from Boris Brezillon:
- Fix memory leaks in the core
- Remove unused NAND locking support
- Rename nand.h into rawnand.h (preparing support for spi NANDs)
- Use NAND_MAX_ID_LEN where appropriate
- Fix support for 20nm Hynix chips
- Fix support for Samsung and Hynix SLC NANDs
- Various cleanup, improvements and fixes in the qcom driver
- Fixes for bugs detected by various static code analysis tools
- Fix mxc ooblayout definition
- Add a new part_parsers to tmio and sharpsl platform data in order
to define a custom list of partition parsers
- Request the reset line in exclusive mode in the sunxi driver
- Fix a build error in the orion-nand driver when compiled for ARMv4
- Allow 64-bit mvebu platforms to select the PXA3XX driver
SPI NOR updates, from Cyrille Pitchen and Marek Vasut:
- add support to the JEDEC JESD216B specification (SFDP tables).
- add support to the Intel Denverton SPI flash controller.
- fix error recovery for Spansion/Cypress SPI NOR memories.
- fix 4-byte address management for the Aspeed SPI controller.
- add support to some Microchip SST26 memory parts
- remove unneeded pinctrl header Write a message for tag:"
* tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd: (74 commits)
mtd: nand: complain loudly when chip->bits_per_cell is not correctly initialized
mtd: nand: make Samsung SLC NAND usable again
mtd: nand: tmio: Register partitions using the parsers
mfd: tmio: Add partition parsers platform data
mtd: nand: sharpsl: Register partitions using the parsers
mtd: nand: sharpsl: Add partition parsers platform data
mtd: nand: qcom: Support for IPQ8074 QPIC NAND controller
mtd: nand: qcom: support for IPQ4019 QPIC NAND controller
dt-bindings: qcom_nandc: IPQ8074 QPIC NAND documentation
dt-bindings: qcom_nandc: IPQ4019 QPIC NAND documentation
dt-bindings: qcom_nandc: fix the ipq806x device tree example
mtd: nand: qcom: support for different DEV_CMD register offsets
mtd: nand: qcom: QPIC data descriptors handling
mtd: nand: qcom: enable BAM or ADM mode
mtd: nand: qcom: erased codeword detection configuration
mtd: nand: qcom: support for read location registers
mtd: nand: qcom: support for passing flags in DMA helper functions
mtd: nand: qcom: add BAM DMA descriptor handling
mtd: nand: qcom: allocate BAM transaction
mtd: nand: qcom: DMA mapping support for register read buffer
...
Diffstat (limited to 'drivers/mtd/nand/oxnas_nand.c')
-rw-r--r-- | drivers/mtd/nand/oxnas_nand.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/mtd/nand/oxnas_nand.c b/drivers/mtd/nand/oxnas_nand.c index 1b207aac840c..d649d5944826 100644 --- a/drivers/mtd/nand/oxnas_nand.c +++ b/drivers/mtd/nand/oxnas_nand.c @@ -21,7 +21,7 @@ #include <linux/clk.h> #include <linux/reset.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> +#include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> #include <linux/of.h> @@ -112,14 +112,19 @@ static int oxnas_nand_probe(struct platform_device *pdev) if (count > 1) return -EINVAL; - clk_prepare_enable(oxnas->clk); + err = clk_prepare_enable(oxnas->clk); + if (err) + return err; + device_reset_optional(&pdev->dev); for_each_child_of_node(np, nand_np) { chip = devm_kzalloc(&pdev->dev, sizeof(struct nand_chip), GFP_KERNEL); - if (!chip) - return -ENOMEM; + if (!chip) { + err = -ENOMEM; + goto err_clk_unprepare; + } chip->controller = &oxnas->base; @@ -139,12 +144,12 @@ static int oxnas_nand_probe(struct platform_device *pdev) /* Scan to find existence of the device */ err = nand_scan(mtd, 1); if (err) - return err; + goto err_clk_unprepare; err = mtd_device_register(mtd, NULL, 0); if (err) { nand_release(mtd); - return err; + goto err_clk_unprepare; } oxnas->chips[nchips] = chip; @@ -152,12 +157,18 @@ static int oxnas_nand_probe(struct platform_device *pdev) } /* Exit if no chips found */ - if (!nchips) - return -ENODEV; + if (!nchips) { + err = -ENODEV; + goto err_clk_unprepare; + } platform_set_drvdata(pdev, oxnas); return 0; + +err_clk_unprepare: + clk_disable_unprepare(oxnas->clk); + return err; } static int oxnas_nand_remove(struct platform_device *pdev) |