From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Cercueil Subject: RE: [PATCH 3/4] memory: jz4780-nemc: Reduce size of const array Date: Thu, 23 Aug 2018 14:52:57 +0200 Message-ID: <1535028777.27779.1@crapouillou.net> References: <20180822172953.11281-1-paul@crapouillou.net> <20180822172953.11281-3-paul@crapouillou.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: David Laight Cc: Rob Herring , Mark Rutland , Alex Smith , "od@zcrc.me" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" List-Id: devicetree@vger.kernel.org Hi David, Le jeu. 23 ao=FBt 2018 =E0 12:41, David Laight =20 a =E9crit : > From: Paul Cercueil >> Sent: 22 August 2018 18:30 >> The maximum value found in that array is 15, there's no need to=20 >> store >> these values as uint32_t, a uint8_t is enough. >>=20 >> Signed-off-by: Paul Cercueil >> --- >> drivers/memory/jz4780-nemc.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >>=20 >> diff --git a/drivers/memory/jz4780-nemc.c=20 >> 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=20 >> jz4780_nemc *nemc, >> * Conversion of tBP and tAW cycle counts to values supported by=20 >> the >> * hardware (round up to the next supported value). >> */ >> - static const uint32_t convert_tBP_tAW[] =3D { >> + static const u8 convert_tBP_tAW[] =3D { >> 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, >>=20 >> /* 11 - 12 -> 12 cycles */ >> @@ -232,7 +232,7 @@ static bool jz4780_nemc_configure_bank(struct=20 >> jz4780_nemc *nemc, >> return false; >> } >>=20 >> - smcr |=3D convert_tBP_tAW[cycles] << NEMC_SMCR_TBP_SHIFT; >> + smcr |=3D (u32)convert_tBP_tAW[cycles] << NEMC_SMCR_TBP_SHIFT; >=20 > You don't need the cast here. OK, I will remove them in V2. >=20 > David >=20 > - > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes,=20 > MK1 1PT, UK > Registration No: 1397386 (Wales) >=20 =