From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B18FC001DB for ; Sun, 13 Aug 2023 21:22:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230360AbjHMVWl (ORCPT ); Sun, 13 Aug 2023 17:22:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230315AbjHMVWV (ORCPT ); Sun, 13 Aug 2023 17:22:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4ABC110D0 for ; Sun, 13 Aug 2023 14:22:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DD80C62802 for ; Sun, 13 Aug 2023 21:22:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D63ACC433C8; Sun, 13 Aug 2023 21:22:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691961742; bh=EnlOqSZzYVL4gqDBVzyfLjHH9R2SKtoMEjbfxtC1vEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KtH94liXPtrG/pLkrvqAhbvoTFXYSZfbpF9VgoND6KSfHGphZevyUHr34lRnQ5ZMT W4JxGvQ6BiMpn6oDYAy36enSblRf7eAcbST0IthG29ivc0XnBrWXk4lM00KQSQdA1S 80Ku/4UeQrVN+fbR1aJmgoUb+MDq8MEHeAS8Ilho= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sergei Antonov , Jonas Jensen , Ulf Hansson Subject: [PATCH 4.19 02/33] mmc: moxart: read scr register without changing byte order Date: Sun, 13 Aug 2023 23:18:56 +0200 Message-ID: <20230813211704.011158600@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230813211703.915807095@linuxfoundation.org> References: <20230813211703.915807095@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sergei Antonov commit d44263222134b5635932974c6177a5cba65a07e8 upstream. Conversion from big-endian to native is done in a common function mmc_app_send_scr(). Converting in moxart_transfer_pio() is extra. Double conversion on a LE system returns an incorrect SCR value, leads to errors: mmc0: unrecognised SCR structure version 8 Fixes: 1b66e94e6b99 ("mmc: moxart: Add MOXA ART SD/MMC driver") Signed-off-by: Sergei Antonov Cc: Jonas Jensen Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230627120549.2400325-1-saproj@gmail.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/moxart-mmc.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -339,13 +339,7 @@ static void moxart_transfer_pio(struct m return; } for (len = 0; len < remain && len < host->fifo_width;) { - /* SCR data must be read in big endian. */ - if (data->mrq->cmd->opcode == SD_APP_SEND_SCR) - *sgp = ioread32be(host->base + - REG_DATA_WINDOW); - else - *sgp = ioread32(host->base + - REG_DATA_WINDOW); + *sgp = ioread32(host->base + REG_DATA_WINDOW); sgp++; len += 4; }