RE: [PATCH 3/4] memory: jz4780-nemc: Reduce size of const array

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi David,

Le jeu. 23 août 2018 à 12:41, David Laight <David.Laight@xxxxxxxxxx> a écrit :
From: Paul Cercueil
 Sent: 22 August 2018 18:30
The maximum value found in that array is 15, there's no need to store
 these values as uint32_t, a uint8_t is enough.

 Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
 ---
  drivers/memory/jz4780-nemc.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/memory/jz4780-nemc.c b/drivers/memory/jz4780-nemc.c
 index bcf06adefc96..ef3f20e46590 100644
 --- a/drivers/memory/jz4780-nemc.c
 +++ b/drivers/memory/jz4780-nemc.c
@@ -161,7 +161,7 @@ static bool jz4780_nemc_configure_bank(struct jz4780_nemc *nemc, * Conversion of tBP and tAW cycle counts to values supported by the
  	 * hardware (round up to the next supported value).
  	 */
 -	static const uint32_t convert_tBP_tAW[] = {
 +	static const u8 convert_tBP_tAW[] = {
  		0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,

  		/* 11 - 12 -> 12 cycles */
@@ -232,7 +232,7 @@ static bool jz4780_nemc_configure_bank(struct jz4780_nemc *nemc,
  			return false;
  		}

 -		smcr |= convert_tBP_tAW[cycles] << NEMC_SMCR_TBP_SHIFT;
 +		smcr |= (u32)convert_tBP_tAW[cycles] << NEMC_SMCR_TBP_SHIFT;

You don't need the cast here.

OK, I will remove them in V2.


	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)






[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux