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Commit 7f0a6fc8 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Kumar Gala
Browse files

[POWERPC] QE: export qe_get_brg_clk() 



qe_get_brg_clk() will be used by the fsl_gtm routines.

Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent ab1220d5

arch/powerpc/sysdev/qe_lib/qe.c

+3 −2
Original line number Diff line number Diff line
@@ -156,7 +156,7 @@ EXPORT_SYMBOL(qe_issue_cmd); 
 */

static unsigned int brg_clk = 0;



unsigned int get_brg_clk(void)

unsigned int qe_get_brg_clk(void)

{

	struct device_node *qe;

	unsigned int size;
@@ -180,6 +180,7 @@ unsigned int get_brg_clk(void) 


	return brg_clk;

}

EXPORT_SYMBOL(qe_get_brg_clk);



/* Program the BRG to the given sampling rate and multiplier

 *
@@ -197,7 +198,7 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier) 
	if ((brg < QE_BRG1) || (brg > QE_BRG16))

		return -EINVAL;



	divisor = get_brg_clk() / (rate * multiplier);

	divisor = qe_get_brg_clk() / (rate * multiplier);



	if (divisor > QE_BRGC_DIVISOR_MAX + 1) {

		div16 = QE_BRGC_DIV16;

include/asm-powerpc/qe.h

+1 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ extern int par_io_data_set(u8 port, u8 pin, u8 val); 
/* QE internal API */

int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);

enum qe_clock qe_clock_source(const char *source);

unsigned int qe_get_brg_clk(void);

int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);

int qe_get_snum(void);

void qe_put_snum(u8 snum);