On Thu, 22 Feb 2018 16:34:18 +0300 Evgeniy Didin wrote:
> In commit 9d9491a7da2a ("mmc: dw_mmc: Fix the DTO timeout calculation") have
> been made
> changes which cause multiply overflow for 32-bit systems.
> The broken timeout calculations caused false interrupt latency warnings
> and stacktrace
Hi Evgeniy,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc2 next-20180222]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux
On 02/22/2018 07:28 AM, Shawn Lin wrote:
Lets cast this multiply to u64 type which prevents overflow.
Tested-by: Vineet Gupta
Fixes: ARC STAR 9001306872 HSDK, sdio: board crashes when copying big files
Signed-off-by: Evgeniy Didin
CC: Alexey Brodkin
CC: Eugeniy Paltsev
CC: Douglas Anderso
On 02/22/2018 06:26 AM, Eugeniy Paltsev wrote:
To read any data from ARconnect we have special interface
which includes two AUX registers: MCIP_CMD and MCIP_READBACK.
We write command to MCIP_CMD and read data from MCIP_READBACK
after that.
We have only one instance of this registers per cluster
On 2018/2/23 0:03, Alexey Brodkin wrote:
Hi Shawn,
On Thu, 2018-02-22 at 23:28 +0800, Shawn Lin wrote:
[snip]
Stack Trace:
arc_unwind_core.constprop.1+0xd0/0xf4
dump_stack+0x68/0x80
warn_slowpath_null+0x4e/0xec
sg_miter_next+0x28/0x20c
dw_mci_read_data_pio+0x44/0x190
dw_mmc f000a0
Hi Shawn,
On Thu, 2018-02-22 at 23:28 +0800, Shawn Lin wrote:
[snip]
> > > Stack Trace:
> > > arc_unwind_core.constprop.1+0xd0/0xf4
> > > dump_stack+0x68/0x80
> > > warn_slowpath_null+0x4e/0xec
> > > sg_miter_next+0x28/0x20c
> > > dw_mci_read_data_pio+0x44/0x190
> > > dw_mmc f000a000.mmc:
[+ Jaehoon]
On 2018/2/22 21:34, Evgeniy Didin wrote:
In commit 9d9491a7da2a ("mmc: dw_mmc: Fix the DTO timeout calculation") have
been made
changes which cause multiply overflow for 32-bit systems.
The broken timeout calculations caused false interrupt latency warnings
and stacktrace splat (suc
To read any data from ARconnect we have special interface
which includes two AUX registers: MCIP_CMD and MCIP_READBACK.
We write command to MCIP_CMD and read data from MCIP_READBACK
after that.
We have only one instance of this registers per cluster, so we need
to held global lock before access th
In commit 9d9491a7da2a ("mmc: dw_mmc: Fix the DTO timeout calculation") have
been made
changes which cause multiply overflow for 32-bit systems.
The broken timeout calculations caused false interrupt latency warnings
and stacktrace splat (such as below) when accessing the SD Card.
| Running : 4M
Hi Vineet,
On Wed, 2018-02-21 at 15:42 -0800, Vineet Gupta wrote:
> On 02/21/2018 12:31 PM, Vineet Gupta wrote:
> > Hi Eugeniy,
> >
> > > Starting from ARC HS v3.0
> >
> > From the STAR fix, it seem this was fixed in HS 2.1c, so you should be
> > able to
> > test it on HSDK, which was my next
Hi Pavel,
On Sat, Feb 17, 2018 at 10:19:55PM +0100, Pavel Machek wrote:
...
> diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
> index 53f7275..cfb42f5 100644
> --- a/drivers/soc/imx/gpc.c
> +++ b/drivers/soc/imx/gpc.c
> @@ -348,7 +348,7 @@ static int imx_gpc_old_dt_init(struct device *d
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