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8250_dwlib: Convert bitops to newer form

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Instead of open-coding, use BIT(), GENMASK(), and FIELD_GET() helpers.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220630100536.41329-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-06-30 13:05:36 +03:00 committed by Greg Kroah-Hartman
parent 808313bc21
commit e9f9736679
1 changed files with 13 additions and 13 deletions
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26
drivers/tty/serial/8250/8250_dwlib.c
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@ -46,21 +46,21 @@
#define DW_UART_LCR_EXT_TRANSMIT_MODE BIT(3)
/* Component Parameter Register bits */
#define DW_UART_CPR_ABP_DATA_WIDTH (3 << 0)
#define DW_UART_CPR_AFCE_MODE (1 << 4)
#define DW_UART_CPR_THRE_MODE (1 << 5)
#define DW_UART_CPR_SIR_MODE (1 << 6)
#define DW_UART_CPR_SIR_LP_MODE (1 << 7)
#define DW_UART_CPR_ADDITIONAL_FEATURES (1 << 8)
#define DW_UART_CPR_FIFO_ACCESS (1 << 9)
#define DW_UART_CPR_FIFO_STAT (1 << 10)
#define DW_UART_CPR_SHADOW (1 << 11)
#define DW_UART_CPR_ENCODED_PARMS (1 << 12)
#define DW_UART_CPR_DMA_EXTRA (1 << 13)
#define DW_UART_CPR_FIFO_MODE (0xff << 16)
#define DW_UART_CPR_ABP_DATA_WIDTH GENMASK(1, 0)
#define DW_UART_CPR_AFCE_MODE BIT(4)
#define DW_UART_CPR_THRE_MODE BIT(5)
#define DW_UART_CPR_SIR_MODE BIT(6)
#define DW_UART_CPR_SIR_LP_MODE BIT(7)
#define DW_UART_CPR_ADDITIONAL_FEATURES BIT(8)
#define DW_UART_CPR_FIFO_ACCESS BIT(9)
#define DW_UART_CPR_FIFO_STAT BIT(10)
#define DW_UART_CPR_SHADOW BIT(11)
#define DW_UART_CPR_ENCODED_PARMS BIT(12)
#define DW_UART_CPR_DMA_EXTRA BIT(13)
#define DW_UART_CPR_FIFO_MODE GENMASK(23, 16)
/* Helper for FIFO size calculation */
#define DW_UART_CPR_FIFO_SIZE(a) (((a >> 16) & 0xff) * 16)
#define DW_UART_CPR_FIFO_SIZE(a) (FIELD_GET(DW_UART_CPR_FIFO_MODE, (a)) * 16)
/*
* divisor = div(I) + div(F)