Commit e9f97366 authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by Greg Kroah-Hartman
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8250_dwlib: Convert bitops to newer form 



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

Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220630100536.41329-1-ilpo.jarvinen@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 808313bc

drivers/tty/serial/8250/8250_dwlib.c

+13 −13
Original line number Diff line number Diff line
@@ -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)