diff options
Diffstat (limited to 'drivers/mtd/nand/sunxi_nand.c')
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index d0b6f8f9f297..82244be3e766 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -31,7 +31,7 @@ #include <linux/of_device.h> #include <linux/of_gpio.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> +#include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> #include <linux/clk.h> #include <linux/delay.h> @@ -1728,6 +1728,10 @@ static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd, int csline, */ chip->clk_rate = NSEC_PER_SEC / min_clk_period; real_clk_rate = clk_round_rate(nfc->mod_clk, chip->clk_rate); + if (real_clk_rate <= 0) { + dev_err(nfc->dev, "Unable to round clk %lu\n", chip->clk_rate); + return -EINVAL; + } /* * ONFI specification 3.1, paragraph 4.15.2 dictates that EDO data @@ -2208,7 +2212,7 @@ static int sunxi_nfc_probe(struct platform_device *pdev) if (ret) goto out_ahb_clk_unprepare; - nfc->reset = devm_reset_control_get_optional(dev, "ahb"); + nfc->reset = devm_reset_control_get_optional_exclusive(dev, "ahb"); if (IS_ERR(nfc->reset)) { ret = PTR_ERR(nfc->reset); goto out_mod_clk_unprepare; |