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tty: amba-pl011: add .get_fifosize for ZTE device 

ZTE PL011 device has a fixed FIFO size 16.  Let's add a .get_fifosize
hook for it.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Shawn Guo 2016-07-08 17:00:40 +08:00 committed by Greg Kroah-Hartman
parent 0e125a5fac
commit 9c267ddb41
1 changed files with 6 additions and 1 deletions
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7
drivers/tty/serial/amba-pl011.c
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@ -204,6 +204,11 @@ static const u16 pl011_zte_offsets[REG_ARRAY_SIZE] = {
[REG_DMACR] = ZX_UART011_DMACR,
};
static unsigned int get_fifosize_zte(struct amba_device *dev)
{
return 16;
}
static struct vendor_data vendor_zte __maybe_unused = {
.reg_offset = pl011_zte_offsets,
.access_32b = true,
@ -212,7 +217,7 @@ static struct vendor_data vendor_zte __maybe_unused = {
.fr_dsr = ZX_UART01x_FR_DSR,
.fr_cts = ZX_UART01x_FR_CTS,
.fr_ri = ZX_UART011_FR_RI,
.get_fifosize = get_fifosize_arm,
.get_fifosize = get_fifosize_zte,
};
/* Deals with DMA transactions */