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author | Ingo Molnar | 2015-02-24 15:55:28 +0100 |
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committer | Ingo Molnar | 2015-02-24 15:55:28 +0100 |
commit | a1fb6696c662920f695c97591d759391aca8a1ad (patch) | |
tree | 25cc9ca4d1d291e122ff694dd41a9cc6d6513f60 /drivers/mtd/nand/jz4740_nand.c | |
parent | x86/mm/pat: Ensure different messages in STRICT_DEVMEM and PAT cases (diff) | |
parent | Linux 4.0-rc1 (diff) | |
download | kernel-qcow2-linux-a1fb6696c662920f695c97591d759391aca8a1ad.tar.gz kernel-qcow2-linux-a1fb6696c662920f695c97591d759391aca8a1ad.tar.xz kernel-qcow2-linux-a1fb6696c662920f695c97591d759391aca8a1ad.zip |
Merge tag 'v4.0-rc1' into x86/mm, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mtd/nand/jz4740_nand.c')
-rw-r--r-- | drivers/mtd/nand/jz4740_nand.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index 1633ec9c5108..ebf2cce04cba 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c @@ -69,7 +69,7 @@ struct jz_nand { int selected_bank; - struct jz_nand_platform_data *pdata; + struct gpio_desc *busy_gpio; bool is_reading; }; @@ -131,7 +131,7 @@ static void jz_nand_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) static int jz_nand_dev_ready(struct mtd_info *mtd) { struct jz_nand *nand = mtd_to_jz_nand(mtd); - return gpio_get_value_cansleep(nand->pdata->busy_gpio); + return gpiod_get_value_cansleep(nand->busy_gpio); } static void jz_nand_hwctl(struct mtd_info *mtd, int mode) @@ -423,14 +423,12 @@ static int jz_nand_probe(struct platform_device *pdev) if (ret) goto err_free; - if (pdata && gpio_is_valid(pdata->busy_gpio)) { - ret = gpio_request(pdata->busy_gpio, "NAND busy pin"); - if (ret) { - dev_err(&pdev->dev, - "Failed to request busy gpio %d: %d\n", - pdata->busy_gpio, ret); - goto err_iounmap_mmio; - } + nand->busy_gpio = devm_gpiod_get_optional(&pdev->dev, "busy", GPIOD_IN); + if (IS_ERR(nand->busy_gpio)) { + ret = PTR_ERR(nand->busy_gpio); + dev_err(&pdev->dev, "Failed to request busy gpio %d\n", + ret); + goto err_iounmap_mmio; } mtd = &nand->mtd; @@ -454,10 +452,9 @@ static int jz_nand_probe(struct platform_device *pdev) chip->cmd_ctrl = jz_nand_cmd_ctrl; chip->select_chip = jz_nand_select_chip; - if (pdata && gpio_is_valid(pdata->busy_gpio)) + if (nand->busy_gpio) chip->dev_ready = jz_nand_dev_ready; - nand->pdata = pdata; platform_set_drvdata(pdev, nand); /* We are going to autodetect NAND chips in the banks specified in the @@ -496,7 +493,7 @@ static int jz_nand_probe(struct platform_device *pdev) } if (chipnr == 0) { dev_err(&pdev->dev, "No NAND chips found\n"); - goto err_gpio_busy; + goto err_iounmap_mmio; } if (pdata && pdata->ident_callback) { @@ -533,9 +530,6 @@ err_unclaim_banks: nand->bank_base[bank - 1]); } writel(0, nand->base + JZ_REG_NAND_CTRL); -err_gpio_busy: - if (pdata && gpio_is_valid(pdata->busy_gpio)) - gpio_free(pdata->busy_gpio); err_iounmap_mmio: jz_nand_iounmap_resource(nand->mem, nand->base); err_free: @@ -546,7 +540,6 @@ err_free: static int jz_nand_remove(struct platform_device *pdev) { struct jz_nand *nand = platform_get_drvdata(pdev); - struct jz_nand_platform_data *pdata = dev_get_platdata(&pdev->dev); size_t i; nand_release(&nand->mtd); @@ -562,8 +555,6 @@ static int jz_nand_remove(struct platform_device *pdev) gpio_free(JZ_GPIO_MEM_CS0 + bank - 1); } } - if (pdata && gpio_is_valid(pdata->busy_gpio)) - gpio_free(pdata->busy_gpio); jz_nand_iounmap_resource(nand->mem, nand->base); |