[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <429589f6-d946-9bc9-d54e-e892d513a91b@amlogic.com>
Date: Thu, 8 Jun 2023 11:23:46 +0800
From: Liang Yang <liang.yang@...ogic.com>
To: Arseniy Krasnov <avkrasnov@...rdevices.ru>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: oxffffaa@...il.com, kernel@...rdevices.ru,
linux-mtd@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] mtd: rawnand: meson: remove unneeded bitwise OR with
zeroes
On 2023/6/8 5:18, Arseniy Krasnov wrote:
> [ EXTERNAL EMAIL ]
>
> Hi again Miquel, Liang!
>
> What do You think about this patch?
>
> Thanks, Arseniy
>
> On 05.06.2023 22:15, Arseniy Krasnov wrote:
>> Both operations have no effect.
>>
>> Signed-off-by: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
>> ---
>> drivers/mtd/nand/raw/meson_nand.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
>> index 074e14225c06..50d3110ad321 100644
>> --- a/drivers/mtd/nand/raw/meson_nand.c
>> +++ b/drivers/mtd/nand/raw/meson_nand.c
>> @@ -595,12 +595,12 @@ static int meson_nfc_rw_cmd_prepare_and_execute(struct nand_chip *nand,
>> cmd0 = in ? NAND_CMD_READ0 : NAND_CMD_SEQIN;
>> nfc->cmdfifo.rw.cmd0 = cs | NFC_CMD_CLE | cmd0;
>>
>> - addrs[0] = cs | NFC_CMD_ALE | 0;
>> + addrs[0] = cs | NFC_CMD_ALE;
>> if (mtd->writesize <= 512) {
>> cmd_num--;
>> row_start = 1;
>> } else {
>> - addrs[1] = cs | NFC_CMD_ALE | 0;
>> + addrs[1] = cs | NFC_CMD_ALE;
>> row_start = 2;
>> }
Hi Arseniy and Miquel,
The two zeros indcates two column address. maybe we could use the micro
"COLUMN_ADDR_0" and "COLUMN_ADDR_1" to keep the nfc command format "CE |
ALE | addr" consistency and also let function
"meson_nfc_rw_cmd_prepare_and_execute" be more readable.
Thanks,
Liang
>>
Powered by blists - more mailing lists