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[89.139.223.180]) by smtp.googlemail.com with ESMTPSA id a7-20020a19ca07000000b0051189b53f93sm24005lfg.302.2024.02.10.13.53.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Feb 2024 13:53:34 -0800 (PST) From: Michael Zaidman To: chrysh@christina-quast.de, daniel.beer@igorinstitute.com, jikos@kernel.org Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-serial@vger.kernel.org, ilpo.jarvinen@linux.intel.com, johan@kernel.org, gregkh@linuxfoundation.org, equinox@diac24.net, michael.zaidman@gmail.com Subject: [PATCH v1 12/19] hid-ft260: uart: use kfifo_avail for fifo write room check Date: Sat, 10 Feb 2024 23:51:40 +0200 Message-Id: <20240210215147.77629-13-michael.zaidman@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240210215147.77629-1-michael.zaidman@gmail.com> References: <20240210215147.77629-1-michael.zaidman@gmail.com> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Replace uart fifo write room calculation with the kfifo_avail kernel API. Signed-off-by: Michael Zaidman --- drivers/hid/hid-ft260.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-ft260.c b/drivers/hid/hid-ft260.c index f8d4bf7e6c4f..3d1a9ec88cb9 100644 --- a/drivers/hid/hid-ft260.c +++ b/drivers/hid/hid-ft260.c @@ -1264,7 +1264,7 @@ static unsigned int ft260_uart_write_room(struct tty_struct *tty) { struct ft260_device *port = tty->driver_data; - return FIFO_SIZE - kfifo_len(&port->xmit_fifo); + return kfifo_avail(&port->xmit_fifo); } static unsigned int ft260_uart_chars_in_buffer(struct tty_struct *tty)