On Fri, May 30, 2014 at 3:30 AM, Stephen Boyd sb...@codeaurora.org wrote:
Hm... that doesn't sound right. Please see this thread on lkml[1], and
also this video from Ben H.[2]
But Benji is talking about the *PCI BUS*, and this is raw register
access. He just says that This is how a BE CPU is
On Wed, May 28, 2014 at 3:57 PM, Srinivas Kandagatla
srinivas.kandaga...@linaro.org wrote:
This doesn't look endianness agnostic. Shouldn't we use ioread32_rep()
to read this fifo?
Is'nt readl endianess aware?
At least once a year read through arch/arm/include/asm/io.h
static inline u32
On 05/29/14 00:43, Linus Walleij wrote:
On Wed, May 28, 2014 at 3:57 PM, Srinivas Kandagatla
srinivas.kandaga...@linaro.org wrote:
This doesn't look endianness agnostic. Shouldn't we use ioread32_rep()
to read this fifo?
Is'nt readl endianess aware?
At least once a year read through
On Fri, May 23, 2014 at 2:53 PM, srinivas.kandaga...@linaro.org wrote:
+ if (unlikely(bytes)) {
+ unsigned char buf[4];
(...)
Please think twice about this.
http://lwn.net/Articles/70473/
http://lwn.net/Articles/420019/
http://lwn.net/Articles/182369/
Yours,
Linus Walleij
On 28/05/14 09:08, Linus Walleij wrote:
On Fri, May 23, 2014 at 2:53 PM, srinivas.kandaga...@linaro.org wrote:
+ if (unlikely(bytes)) {
+ unsigned char buf[4];
(...)
Please think twice about this.
http://lwn.net/Articles/70473/
http://lwn.net/Articles/420019/
Sorry Stephen for late reply,
Some reason this mail was filtered in other folders.
On 24/05/14 00:28, Stephen Boyd wrote:
On 05/23/14 05:53, srinivas.kandaga...@linaro.org wrote:
@@ -1022,6 +1025,40 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command
*cmd,
}
}
+static int
On 23 May 2014 14:53, srinivas.kandaga...@linaro.org wrote:
From: Srinivas Kandagatla srinivas.kandaga...@linaro.org
MCIFIFOCNT register behaviour on Qcom chips is very different than the other
pl180 integrations. MCIFIFOCNT register contains the number of
words that are still waiting to be
On 26/05/14 15:34, Ulf Hansson wrote:
This is hot path.
As I suggested for the readl and writel wrapper functions, I think it
would be better to use a function pointer in the struct mmci host,
which you set up in the probe phase. That means the variant data don't
need to be checked each an
On 05/23/14 05:53, srinivas.kandaga...@linaro.org wrote:
@@ -1022,6 +1025,40 @@ mmci_cmd_irq(struct mmci_host *host, struct
mmc_command *cmd,
}
}
+static int mmci_qcom_pio_read(struct mmci_host *host, char *buffer,
+ unsigned int remain)
+{
+ u32 *ptr =
