linux-kernel - [PATCH] staging: pi433: remove hardcoded mask value for easier readability

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Message-ID: <YicPRrH3HmpiTCxe@mail.google.com>
Date:   Tue, 8 Mar 2022 21:09:42 +1300
From:   Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com>
To:     gregkh@...uxfoundation.org, paulo.miguel.almeida.rodenas@...il.com,
        realwakka@...il.com
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: pi433: remove hardcoded mask value for easier
 readability

replace hardcoded value with the bitwise complement of the mask used to
extract value sent to rf69 chip.

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com>
---
 drivers/staging/pi433/rf69.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 3028018f0b45..659c8c1b38fd 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -741,7 +741,7 @@ int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold)
 	int retval;
 
 	/* check input value */
-	if (threshold & 0x80) {
+	if (threshold & ~MASK_FIFO_THRESH_VALUE) {
 		dev_dbg(&spi->dev, "set: illegal fifo threshold %u\n", threshold);
 		return -EINVAL;
 	}
-- 
2.34.1