From patchwork Wed Nov 23 11:07:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 628236 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 27F1DC43219 for ; Wed, 23 Nov 2022 11:09:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237079AbiKWLJY (ORCPT ); Wed, 23 Nov 2022 06:09:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237592AbiKWLId (ORCPT ); Wed, 23 Nov 2022 06:08:33 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B29FE2729 for ; Wed, 23 Nov 2022 03:08:13 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id e11so15936691wru.8 for ; Wed, 23 Nov 2022 03:08:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=27Y/3dF94+Cm6VsgYrXb3WffaYznVRIrRKIsZki0OWQ=; b=Cc3DMUi1+c91wbdCi+9yhbPRKydM/WD64VcFUqJSe/t+SDR0m8l26JNYNHPgO+3QxH 0i52QRdKTKqJfUxlWqlVcx+GDxMnF09QUpCHZK3OOYYn6JK5DOZWhFbgcb9Aez6ruY73 OwTp59On3Wv2c/b6bg/BB5e5RU6tRNy3yyvc4pVzyMBj35P80IhBaUBFeAYSJebUGBLs q4I8wtVjpQgeNRas7D7KX2A2o+jgu0cX89ItAZ0sCKHYFx0jpJNKunr3HlqHz+PAJwhQ jzC1mmkSC/XD/BSChddqxSlVbox2M80YP6L0RvwGC29dzQ5zonGnsAsczpPI+05L2r5e kneg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=27Y/3dF94+Cm6VsgYrXb3WffaYznVRIrRKIsZki0OWQ=; b=HsF/JhkZ9iGzqEMFG9QU7Ep1/F8Tzd/8M+QmulLVOP02y/Oz1zPCIGlSu4QyU5qbrp KoeDDSwoN3DxSS47rKXMJkXwFAI7RGvQxYMzSkY8TVPR9Om4bYg+HBGcfzS7kSAFqtm6 3RvOo9oc2Akg9wvBVxGBpOweRJk34Xf5m1Nr4O6skHEL/pTQQy30s0RpnklPpnUmqz47 Pk1p7Nc4sSXR56f1VaixMJnUfJgKaaa7DtQTXPN2sXz0eXa8lqWx8NmAvgTeLolTRN72 ZxnEMSkWrfwkL0qzRH9nPo/J4ycqrsXpGiFoWvnzGqsWKUpyfepXq8/4gMKG/+2e8Ib4 mf9g== X-Gm-Message-State: ANoB5pnSP0qrBbOhWWPQp8/ujVRDshqnf159c/KZ9kH5ujMInJ8Z49W3 v9KiuiZtoR4KrprdYyLC4jCQCg== X-Google-Smtp-Source: AA0mqf5jiktsdjzoCnzBe1yObbtRtHVkH9qehnPnM5ylifQ7wq2tJJ5oK1rONcdcM+svuz8jWl6LSA== X-Received: by 2002:adf:f3d0:0:b0:241:f721:3ba2 with SMTP id g16-20020adff3d0000000b00241f7213ba2mr399710wrp.681.1669201693316; Wed, 23 Nov 2022 03:08:13 -0800 (PST) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:ae74:d94f:4677:3378]) by smtp.gmail.com with ESMTPSA id f13-20020a05600c4e8d00b003c6c182bef9sm2560406wmq.36.2022.11.23.03.08.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Nov 2022 03:08:12 -0800 (PST) From: Bartosz Golaszewski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Srinivas Kandagatla , Vinod Koul , Alex Elder , =?utf-8?q?Ilp?= =?utf-8?q?o_J=C3=A4rvinen?= Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, Bartosz Golaszewski , Konrad Dybcio Subject: [PATCH v3 09/13] tty: serial: qcom-geni-serial: drop the return value from handle_rx Date: Wed, 23 Nov 2022 12:07:55 +0100 Message-Id: <20221123110759.1836666-10-brgl@bgdev.pl> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221123110759.1836666-1-brgl@bgdev.pl> References: <20221123110759.1836666-1-brgl@bgdev.pl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org From: Bartosz Golaszewski The return value of the handle_rx() callback is never checked. Drop it. Signed-off-by: Bartosz Golaszewski Reviewed-by: Konrad Dybcio --- drivers/tty/serial/qcom_geni_serial.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 658b6d596f58..d5c343b06c23 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -114,7 +114,7 @@ struct qcom_geni_serial_port { u32 tx_fifo_width; u32 rx_fifo_depth; bool setup; - int (*handle_rx)(struct uart_port *uport, u32 bytes, bool drop); + void (*handle_rx)(struct uart_port *uport, u32 bytes, bool drop); unsigned int baud; void *rx_fifo; u32 loopback; @@ -502,7 +502,7 @@ static void qcom_geni_serial_console_write(struct console *co, const char *s, spin_unlock_irqrestore(&uport->lock, flags); } -static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop) +static void handle_rx_console(struct uart_port *uport, u32 bytes, bool drop) { u32 i; unsigned char buf[sizeof(u32)]; @@ -537,16 +537,15 @@ static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop) } if (!drop) tty_flip_buffer_push(tport); - return 0; } #else -static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop) +static void handle_rx_console(struct uart_port *uport, u32 bytes, bool drop) { - return -EPERM; + } #endif /* CONFIG_SERIAL_QCOM_GENI_CONSOLE */ -static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop) +static void handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop) { struct tty_port *tport; struct qcom_geni_serial_port *port = to_dev_port(uport); @@ -557,7 +556,7 @@ static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop) tport = &uport->state->port; ioread32_rep(uport->membase + SE_GENI_RX_FIFOn, port->rx_fifo, words); if (drop) - return 0; + return; ret = tty_insert_flip_string(tport, port->rx_fifo, bytes); if (ret != bytes) { @@ -567,7 +566,6 @@ static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop) } uport->icount.rx += ret; tty_flip_buffer_push(tport); - return ret; } static unsigned int qcom_geni_serial_tx_empty(struct uart_port *uport)