Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1300778 > unrolled thread
| Started by | Stanimir Varbanov <svarbanov@mm-sol.com> |
|---|---|
| First post | 2016-01-04 15:40 +0100 |
| Last post | 2016-01-04 15:40 +0100 |
| Articles | 1 — 1 participant |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
Re: [PATCH v5 1/5] PCI: designware: ensure ATU is enabled before IO/conf space accesses Stanimir Varbanov <svarbanov@mm-sol.com> - 2016-01-04 15:40 +0100
| From | Stanimir Varbanov <svarbanov@mm-sol.com> |
|---|---|
| Date | 2016-01-04 15:40 +0100 |
| Subject | Re: [PATCH v5 1/5] PCI: designware: ensure ATU is enabled before IO/conf space accesses |
| Message-ID | <qNesG-4F6-7@gated-at.bofh.it> |
On 12/18/2015 04:41 PM, Pratyush Anand wrote: > On Fri, Dec 18, 2015 at 6:08 PM, Stanimir Varbanov > <stanimir.varbanov@linaro.org> wrote: >> There is no guarantees that enabling ATU will hit the hardware >> immediately, and subsequent accesses to configuration / IO spaces >> are reliable. So fixing this by read back PCIE_ATU_CR2 register >> just after writing. >> >> Without such a fix the PCI device enumeration during kernel boot >> is not reliable, and reading configuration space for particular >> PCI device on the bus returns zero aka no device. >> >> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> > > Acked-by: Pratyush Anand <pratyush.anand@gmail.com> Bjorn, Do you want to resend the whole patchset with collected acks and tested tags? -- regards, Stan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to top | Article view | linux.kernel
csiph-web