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coresight: use 2K block size transfers for output via usb

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For better throughput and to avoid limitations, use 2K block size
tranfers when outputting data over usb using ETR. Moreover, USB 3.0
currently only supports 2K block size for the descriptors.

Change-Id: Idc68c4d503e3ccca7715d3cbec21daedfbc2df6f
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
This commit is contained in:
Pratik Patel 2012-10-15 17:16:13 -07:00 committed by Iliyan Malchev
parent 2e636e1f6e
commit 72ae7be066
1 changed files with 1 additions and 1 deletions
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2
drivers/coresight/coresight-csr.c
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@ -86,7 +86,7 @@ void msm_qdss_csr_enable_bam_to_usb(void)
CSR_UNLOCK(drvdata);
usbbamctrl = csr_readl(drvdata, CSR_USBBAMCTRL);
usbbamctrl = (usbbamctrl & ~0x3) | BLKSIZE_256;
usbbamctrl = (usbbamctrl & ~0x3) | BLKSIZE_2048;
csr_writel(drvdata, usbbamctrl, CSR_USBBAMCTRL);
usbflshctrl = csr_readl(drvdata, CSR_USBFLSHCTRL);