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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Cc: Ray Liu <ray.liu@airoha.com>, Mark Brown <broonie@kernel.org>,
	Jyothi Kumar Seerapu <quic_jseerapu@quicinc.com>,
	linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 04/13] spi: airoha: remove unnecessary switch to non-dma mode
Date: Sat, 23 Aug 2025 10:29:26 +0200	[thread overview]
Message-ID: <aKl75s_6ueJ3Wulc@lore-rh-laptop> (raw)
In-Reply-To: <20250823001626.3641935-5-mikhail.kshevetskiy@iopsys.eu>

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> The code switches to dma at the start of dirmap operation and returns
> to non-dma at the end of dirmap operation, so an additional switch to
> non-dma at the start of dirmap write is not required.

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>

> 
> Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
> ---
>  drivers/spi/spi-airoha-snfi.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/spi/spi-airoha-snfi.c b/drivers/spi/spi-airoha-snfi.c
> index d64a687c07de..1ebf7def7ba7 100644
> --- a/drivers/spi/spi-airoha-snfi.c
> +++ b/drivers/spi/spi-airoha-snfi.c
> @@ -812,9 +812,6 @@ static ssize_t airoha_snand_dirmap_write(struct spi_mem_dirmap_desc *desc,
>  	int err;
>  
>  	as_ctrl = spi_controller_get_devdata(spi->controller);
> -	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_MANUAL);
> -	if (err < 0)
> -		return err;
>  
>  	memcpy(txrx_buf + offs, buf, len);
>  	dma_addr = dma_map_single(as_ctrl->dev, txrx_buf, SPI_NAND_CACHE_SIZE,
> -- 
> 2.50.1
> 

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  reply	other threads:[~2025-08-23  8:29 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-20 12:33 [PATCH v3 00/14] spi: airoha: driver fixes & improvements Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 01/14] spi: airoha: return an error for continuous mode dirmap creation cases Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 02/14] spi: airoha: remove unnecessary restriction length Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 03/14] spi: airoha: add support of dual/quad wires spi modes Mikhail Kshevetskiy
2025-08-20 12:48   ` Jyothi Kumar Seerapu
2025-08-20 12:33 ` [PATCH v3 04/14] spi: airoha: remove unnecessary switch to non-dma mode Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 05/14] spi: airoha: unify dirmap read/write code Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 06/14] spi: airoha: switch back to non-dma mode in the case of error Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 07/14] spi: airoha: fix reading/writing of flashes with more than one plane per lun Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 08/14] spi: airoha: support of dualio/quadio flash reading commands Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 09/14] spi: airoha: allow reading/writing of oob area Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 10/14] spi: airoha: buffer must be 0xff-ed before writing Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 11/14] spi: airoha: avoid setting of page/oob sizes in REG_SPI_NFI_PAGEFMT Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 12/14] spi: airoha: reduce the number of modification of REG_SPI_NFI_CNFG and REG_SPI_NFI_SECCUS_SIZE registers Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 13/14] spi: airoha: set custom sector size equal to flash page size Mikhail Kshevetskiy
2025-08-20 12:33 ` [PATCH v3 14/14] spi: airoha: avoid reading flash page settings from SNFI registers during driver startup Mikhail Kshevetskiy
2025-08-21  6:58 ` [PATCH v3 00/14] spi: airoha: driver fixes & improvements Lorenzo Bianconi
2025-08-21 11:13   ` Mikhail Kshevetskiy
2025-08-21 11:34     ` Lorenzo Bianconi
2025-08-21 12:24       ` Mikhail Kshevetskiy
2025-08-22  3:31       ` Mikhail Kshevetskiy
2025-08-22  6:46         ` Lorenzo Bianconi
2025-08-22 11:22           ` Mikhail Kshevetskiy
2025-08-22 13:14             ` Lorenzo Bianconi
2025-08-22 14:36               ` Mikhail Kshevetskiy
2025-08-22 20:00               ` Mikhail Kshevetskiy
2025-08-22 11:27           ` Mikhail Kshevetskiy
2025-08-23  0:16           ` [PATCH v4 00/13] " Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 01/13] spi: airoha: return an error for continuous mode dirmap creation cases Mikhail Kshevetskiy
2025-08-23  8:04               ` Lorenzo Bianconi
2025-08-23 13:52                 ` Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 02/13] spi: airoha: remove unnecessary restriction length Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 03/13] spi: airoha: add support of dual/quad wires spi modes Mikhail Kshevetskiy
2025-08-23  8:16               ` Lorenzo Bianconi
2025-08-23 13:54                 ` Mikhail Kshevetskiy
2025-08-23 14:42                   ` Lorenzo Bianconi
2025-08-23  0:16             ` [PATCH v4 04/13] spi: airoha: remove unnecessary switch to non-dma mode Mikhail Kshevetskiy
2025-08-23  8:29               ` Lorenzo Bianconi [this message]
2025-08-23  0:16             ` [PATCH v4 05/13] spi: airoha: unify dirmap read/write code Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 06/13] spi: airoha: switch back to non-dma mode in the case of error Mikhail Kshevetskiy
2025-08-23  8:34               ` Lorenzo Bianconi
2025-08-23  0:16             ` [PATCH v4 07/13] spi: airoha: fix reading/writing of flashes with more than one plane per lun Mikhail Kshevetskiy
2025-08-23  8:36               ` Lorenzo Bianconi
2025-08-23  0:16             ` [PATCH v4 08/13] spi: airoha: support of dualio/quadio flash reading commands Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 09/13] spi: airoha: avoid setting of page/oob sizes in REG_SPI_NFI_PAGEFMT Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 10/13] spi: airoha: reduce the number of modification of REG_SPI_NFI_CNFG and REG_SPI_NFI_SECCUS_SIZE registers Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 11/13] spi: airoha: set custom sector size equal to flash page size Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 12/13] spi: airoha: avoid reading flash page settings from SNFI registers during driver startup Mikhail Kshevetskiy
2025-08-23  0:16             ` [PATCH v4 13/13] spi: airoha: buffer must be 0xff-ed before writing Mikhail Kshevetskiy
2025-08-23 16:01             ` [PATCH v5 00/13] spi: airoha: driver fixes & improvements Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 01/13] spi: airoha: return an error for continuous mode dirmap creation cases Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 02/13] spi: airoha: remove unnecessary restriction length Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 03/13] spi: airoha: add support of dual/quad wires spi modes to exec_op() handler Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 04/13] spi: airoha: remove unnecessary switch to non-dma mode Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 05/13] spi: airoha: switch back to non-dma mode in the case of error Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 06/13] spi: airoha: fix reading/writing of flashes with more than one plane per lun Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 07/13] spi: airoha: unify dirmap read/write code Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 08/13] spi: airoha: support of dualio/quadio flash reading commands Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 09/13] spi: airoha: avoid setting of page/oob sizes in REG_SPI_NFI_PAGEFMT Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 10/13] spi: airoha: reduce the number of modification of REG_SPI_NFI_CNFG and REG_SPI_NFI_SECCUS_SIZE registers Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 11/13] spi: airoha: set custom sector size equal to flash page size Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 12/13] spi: airoha: avoid reading flash page settings from SNFI registers during driver startup Mikhail Kshevetskiy
2025-08-23 16:01               ` [PATCH v5 13/13] spi: airoha: buffer must be 0xff-ed before writing Mikhail Kshevetskiy
2025-08-29  7:14               ` [PATCH v5 00/13] spi: airoha: driver fixes & improvements Mikhail Kshevetskiy
2025-08-29  8:45                 ` Mark Brown

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