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SubjectRe: [PATCH 6/7] mtd: denali: remove unnecessary parentheses
On Mon, Sep 08, 2014 at 05:10:12PM +0900, Masahiro Yamada wrote:
> We should use parentheses only when they are necessary
> or they really improve the readability.
>
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

This seems fine; none of these parentheses are needed, since the
relative precedence of the relevant operators is always clear.

Reviewed-by: Josh Triplett <josh@joshtriplett.org>

>
> drivers/mtd/nand/denali.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
> index d37c2e1..ed37b76 100644
> --- a/drivers/mtd/nand/denali.c
> +++ b/drivers/mtd/nand/denali.c
> @@ -267,10 +267,10 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
>
> acc_clks = CEIL_DIV(Trea[mode], CLK_X);
>
> - while (((acc_clks * CLK_X) - Trea[mode]) < 3)
> + while (acc_clks * CLK_X - Trea[mode] < 3)
> acc_clks++;
>
> - if ((data_invalid - acc_clks * CLK_X) < 2)
> + if (data_invalid - acc_clks * CLK_X < 2)
> dev_warn(denali->dev, "%s, Line %d: Warning!\n",
> __FILE__, __LINE__);
>
> @@ -285,7 +285,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
> cs_cnt = 1;
>
> if (Tcea[mode]) {
> - while (((cs_cnt * CLK_X) + Trea[mode]) < Tcea[mode])
> + while (cs_cnt * CLK_X + Trea[mode] < Tcea[mode])
> cs_cnt++;
> }
>
> @@ -295,8 +295,8 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
> #endif
>
> /* Sighting 3462430: Temporary hack for MT29F128G08CJABAWP:B */
> - if ((ioread32(denali->flash_reg + MANUFACTURER_ID) == 0) &&
> - (ioread32(denali->flash_reg + DEVICE_ID) == 0x88))
> + if (ioread32(denali->flash_reg + MANUFACTURER_ID) == 0 &&
> + ioread32(denali->flash_reg + DEVICE_ID) == 0x88)
> acc_clks = 6;
>
> iowrite32(acc_clks, denali->flash_reg + ACC_CLKS);
> @@ -577,7 +577,7 @@ static void denali_set_intr_modes(struct denali_nand_info *denali,
> */
> static inline bool is_flash_bank_valid(int flash_bank)
> {
> - return (flash_bank >= 0 && flash_bank < 4);
> + return flash_bank >= 0 && flash_bank < 4;
> }
>
> static void denali_irq_init(struct denali_nand_info *denali)
> @@ -1103,7 +1103,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip,
> "timeout on write_page (type = %d)\n",
> raw_xfer);
> denali->status =
> - (irq_status & INTR_STATUS__PROGRAM_FAIL) ?
> + irq_status & INTR_STATUS__PROGRAM_FAIL ?
> NAND_STATUS_FAIL : PASS;
> }
>
> @@ -1296,7 +1296,7 @@ static int denali_erase(struct mtd_info *mtd, int page)
> irq_status = wait_for_irq(denali, INTR_STATUS__ERASE_COMP |
> INTR_STATUS__ERASE_FAIL);
>
> - return (irq_status & INTR_STATUS__ERASE_FAIL) ? NAND_STATUS_FAIL : PASS;
> + return irq_status & INTR_STATUS__ERASE_FAIL ? NAND_STATUS_FAIL : PASS;
> }
>
> static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
> --
> 1.9.1
>


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