From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D968611A; Sat, 30 Dec 2023 12:07:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="AIm/LWKT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89FA4C433C7; Sat, 30 Dec 2023 12:07:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1703938030; bh=AnwJfsFbH18yNTA+YvwN/e+8bTxiWb1QU+KUiWoE/6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AIm/LWKTOdoezWFqTYH9EM+pE90BeIl7Kh5LI/Cw4zp04U1FsBKl6mZ2P5yW/MSWi HXBeWkG9UzPeCAFalMYyVXztXbyo6WL+5LPXowNLtDKGwIvrPN4JzRsOMiZrQCqbJa hdrYwgi0nCcWjmNeGf9hjhRqyv4pxUhgVxQXoELA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nam Cao , Mark Brown Subject: [PATCH 6.6 156/156] spi: cadence: revert "Add SPI transfer delays" Date: Sat, 30 Dec 2023 12:00:10 +0000 Message-ID: <20231230115817.394410437@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231230115812.333117904@linuxfoundation.org> References: <20231230115812.333117904@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nam Cao commit 7a733e060bd20edb63b1f27f0b29cf9b184e0e8b upstream. The commit 855a40cd8ccc ("spi: cadence: Add SPI transfer delays") adds a delay after each transfer into the driver's transfer_one(). However, the delay is already done in SPI core. So this commit unnecessarily doubles the delay amount. Revert this commit. Signed-off-by: Nam Cao Link: https://lore.kernel.org/r/20231206145233.74982-1-namcao@linutronix.de Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-cadence.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -451,7 +451,6 @@ static int cdns_transfer_one(struct spi_ udelay(10); cdns_spi_process_fifo(xspi, xspi->tx_fifo_depth, 0); - spi_transfer_delay_exec(transfer); cdns_spi_write(xspi, CDNS_SPI_IER, CDNS_SPI_IXR_DEFAULT); return transfer->len;