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Message-ID: <20240502144626.2716994-12-andriy.shevchenko@linux.intel.com>
Date: Thu, 2 May 2024 17:44:05 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Parker Newman <pnewman@...necttech.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>
Subject: [PATCH v1 11/13] serial: 8250_exar: Use BIT() in exar_ee_read()
Use BIT() in exar_ee_read() like other functions do.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/tty/serial/8250/8250_exar.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 306bc6d7c141..bf3730f4231d 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -340,13 +340,13 @@ static u16 exar_ee_read(struct exar8250 *priv, u8 ee_addr)
exar_ee_write_bit(priv, 0);
// Send address to read from
- for (i = 1 << (UART_EXAR_REGB_EE_ADDR_SIZE - 1); i; i >>= 1)
- exar_ee_write_bit(priv, (ee_addr & i));
+ for (i = UART_EXAR_REGB_EE_ADDR_SIZE - 1; i >= 0; i--)
+ exar_ee_write_bit(priv, ee_addr & BIT(i));
// Read data 1 bit at a time
for (i = 0; i <= UART_EXAR_REGB_EE_DATA_SIZE; i++) {
- data <<= 1;
- data |= exar_ee_read_bit(priv);
+ if (exar_ee_read_bit(priv))
+ data |= BIT(i);
}
exar_ee_deselect(priv);
--
2.43.0.rc1.1336.g36b5255a03ac
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