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Commit fbbb9d96 authored by Christophe Leroy's avatar Christophe Leroy Committed by Greg Kroah-Hartman
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Powerpc 8xx CPM_UART maxidl should not depend on fifo size 



maxidl register was set to fifo size. There is no reason to set this
register to same value as fifo size. Setting it now to 0x10 by default
as in the UCC UART driver.

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Acked-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 59733ef7

drivers/tty/serial/cpm_uart/cpm_uart_core.c

+2 −2
Original line number Diff line number Diff line
@@ -799,7 +799,7 @@ static void cpm_uart_init_scc(struct uart_cpm_port *pinfo) 
	cpm_set_scc_fcr(sup);



	out_be16(&sup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);

	out_be16(&sup->scc_maxidl, pinfo->rx_fifosize);

	out_be16(&sup->scc_maxidl, 0x10);

	out_be16(&sup->scc_brkcr, 1);

	out_be16(&sup->scc_parec, 0);

	out_be16(&sup->scc_frmec, 0);
@@ -873,7 +873,7 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) 


	/* Using idle character time requires some additional tuning.  */

	out_be16(&up->smc_mrblr, pinfo->rx_fifosize);

	out_be16(&up->smc_maxidl, pinfo->rx_fifosize);

	out_be16(&up->smc_maxidl, 0x10);

	out_be16(&up->smc_brklen, 0);

	out_be16(&up->smc_brkec, 0);

	out_be16(&up->smc_brkcr, 1);