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authorThomas Gleixner <tglx@linutronix.de>2015-04-08 21:26:21 (GMT)
committerThomas Gleixner <tglx@linutronix.de>2015-04-08 21:26:21 (GMT)
commit462b69b1e43ceccab68a47d65b1e46520cd0fdc0 (patch)
tree3c961fcb5889c5ab14ab36d8ef7421fc96c95959 /sound/soc/fsl/fsl_ssi.c
parentd8bf368d0631d4bc2612d8bf2e4e8e74e620d0cc (diff)
parentf22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff)
downloadlinux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.tar.xz
Merge branch 'linus' into irq/core to get the GIC updates which
conflict with pending GIC changes. Conflicts: drivers/usb/isp1760/isp1760-core.c
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2595611..6b0c8f7 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -603,17 +603,20 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
factor = (div2 + 1) * (7 * psr + 1) * 2;
for (i = 0; i < 255; i++) {
- /* The bclk rate must be smaller than 1/5 sysclk rate */
- if (factor * (i + 1) < 5)
- continue;
-
- tmprate = freq * factor * (i + 2);
+ tmprate = freq * factor * (i + 1);
if (baudclk_is_used)
clkrate = clk_get_rate(ssi_private->baudclk);
else
clkrate = clk_round_rate(ssi_private->baudclk, tmprate);
+ /*
+ * Hardware limitation: The bclk rate must be
+ * never greater than 1/5 IPG clock rate
+ */
+ if (clkrate * 5 > clk_get_rate(ssi_private->clk))
+ continue;
+
clkrate /= factor;
afreq = clkrate / (i + 1);
@@ -1224,7 +1227,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + CCSR_SSI_STX0;
ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + CCSR_SSI_SRX0;
- ret = !of_property_read_u32_array(np, "dmas", dmas, 4);
+ ret = of_property_read_u32_array(np, "dmas", dmas, 4);
if (ssi_private->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL) {
ssi_private->use_dual_fifo = true;
/* When using dual fifo mode, we need to keep watermark