Re: [PATCH 4/4] tty: serial: qcom_geni_serial: Use u32 for register variables

From: Evan Green
Date: Fri Jan 04 2019 - 14:05:52 EST


On Wed, Jan 2, 2019 at 1:37 PM Ryan Case <ryandcase@xxxxxxxxxxxx> wrote:
>
> Signed-off-by: Ryan Case <ryandcase@xxxxxxxxxxxx>
> ---
>
> drivers/tty/serial/qcom_geni_serial.c | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 3103aa0adc86..fa67a2ced420 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -765,12 +765,12 @@ static void qcom_geni_serial_handle_tx(struct uart_port *uport, bool done,
>
> static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
> {
> - unsigned int m_irq_status;
> - unsigned int s_irq_status;
> - unsigned int geni_status;
> + u32 m_irq_en;
> + u32 m_irq_status;
> + u32 s_irq_status;
> + u32 geni_status;
> struct uart_port *uport = dev;
> unsigned long flags;
> - unsigned int m_irq_en;
> bool drop_rx = false;
> struct tty_port *tport = &uport->state->port;
> struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
> @@ -948,14 +948,14 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
> struct ktermios *termios, struct ktermios *old)
> {
> unsigned int baud;
> - unsigned int bits_per_char;
> - unsigned int tx_trans_cfg;
> - unsigned int tx_parity_cfg;
> - unsigned int rx_trans_cfg;
> - unsigned int rx_parity_cfg;
> - unsigned int stop_bit_len;
> + u32 bits_per_char;
> + u32 tx_trans_cfg;
> + u32 tx_parity_cfg;
> + u32 rx_trans_cfg;
> + u32 rx_parity_cfg;
> + u32 stop_bit_len;
> unsigned int clk_div;
> - unsigned long ser_clk_cfg;
> + u32 ser_clk_cfg;
> struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
> unsigned long clk_rate;
>
> --
> 2.20.1.415.g653613c723-goog
>

I did a brief search tour of unsigned in this file, and also found
rxstale in qcom_geni_serial_port_setup. Other than that and the commit
message:

Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx>