Hi Wills,
On 2015年12月29日 19:17, Wills Wang wrote:
+DECLARE_GLOBAL_DATA_PTR;
The gd is not used in this patch. It can be removed.
+static int ar933x_serial_putc(struct udevice *dev, const char c) +{
- u32 data;
- do {
data = ar933x_serial_read(dev, AR933X_UART_DATA_REG);- } while (!(data & AR933X_UART_DATA_TX_CSR));
data = ar933x_serial_read(dev, AR933X_UART_DATA_REG); if (!(data & AR933X_UART_DATA_TX_CSR)) return -EAGAIN;
- data = (u32)c | AR933X_UART_DATA_TX_CSR;
- ar933x_serial_write(dev, data, AR933X_UART_DATA_REG);
- return 0;
+}
+static int ar933x_serial_getc(struct udevice *dev) +{
- u32 data;
- do {
data = ar933x_serial_read(dev, AR933X_UART_DATA_REG);- } while (!(data & AR933X_UART_DATA_RX_CSR));
data = ar933x_serial_read(dev, AR933X_UART_DATA_REG); if (!(data & AR933X_UART_DATA_RX_CSR)) return -EAGAIN;
- data = ar933x_serial_read(dev, AR933X_UART_DATA_REG);
- ar933x_serial_write(dev, AR933X_UART_DATA_RX_CSR,
AR933X_UART_DATA_REG);- return data & AR933X_UART_DATA_TX_RX_MASK;
+}
+static int ar933x_serial_probe(struct udevice *dev) +{
- struct ar933x_serial_priv *priv = dev_get_priv(dev);
- u32 val;
- fdt_addr_t addr;
Why extra blank line above "fdt_addr_t addr;"?
=========================
checkpatch.pl,
WARNING: Missing a blank line after declarations #206: FILE: drivers/serial/serial_ar933x.c:45: + struct ar933x_serial_priv *priv = dev_get_priv(dev); + return readl(priv->regs + offset);
CHECK: Alignment should match open parenthesis #210: FILE: drivers/serial/serial_ar933x.c:49: +static inline void ar933x_serial_write(struct udevice *dev, + u32 val, u32 offset)
WARNING: Missing a blank line after declarations #213: FILE: drivers/serial/serial_ar933x.c:52: + struct ar933x_serial_priv *priv = dev_get_priv(dev); + writel(val, priv->regs + offset);
CHECK: Alignment should match open parenthesis #234: FILE: drivers/serial/serial_ar933x.c:73: +static void ar933x_serial_get_scale_step(u32 clk, u32 baud, + u32 *scale, u32 *step)
CHECK: Please don't use multiple blank lines #393: FILE: drivers/serial/serial_ar933x.c:232: + +
Thanks.
Regards, Thomas