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 4E9FEC2CE; Tue, 26 Dec 2023 00:20:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LpjzDtzD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A55AC433CC; Tue, 26 Dec 2023 00:20:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1703550041; bh=EfUZ9EXJVAs4VkmUHE7PHqIAoPfiO/4cLLlU/vCkkZY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LpjzDtzDC9jfF2Bp5IJx3kZv/MOTvSyvwQRmNyooBqWairLvrI7DDLjnpYcK19cpt 9mvGo+CJFHPuf5dsLVsSm21HHkSnYCYP8J1pKXbtALFOcDftqE0q7Gl8oKpbWSzgJJ 0XZFDkfATwhbTBhQsCI8J4elxu8zbKU637+ZoBfLDZWyqdHeP6txP+cFgaiG9ltDZs +iAfNtmZktPIor3uYYJRwR3bJt0ENNrq1ZC7Hm2O2UFnjaivX72iAVVrMqhv57ZC2p 0hjRzwB10aZKD9X6j2qO1+GOixUZIsSSHAUZTjnEzSCict7OL8ni9JjxTup/TfSuF+ RjtZlp48EKl0w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nam Cao , Mark Brown , Sasha Levin , linux-spi@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 07/39] spi: cadence: revert "Add SPI transfer delays" Date: Mon, 25 Dec 2023 19:18:57 -0500 Message-ID: <20231226002021.4776-7-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231226002021.4776-1-sashal@kernel.org> References: <20231226002021.4776-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.8 Content-Transfer-Encoding: 8bit From: Nam Cao [ Upstream commit 7a733e060bd20edb63b1f27f0b29cf9b184e0e8b ] 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: Sasha Levin --- drivers/spi/spi-cadence.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 12c940ba074ab..bd96d8b546cdb 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -451,7 +451,6 @@ static int cdns_transfer_one(struct spi_controller *ctlr, 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; -- 2.43.0