Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller

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Hello!

On 3/13/2017 7:36 PM, Bartosz Golaszewski wrote:

This SATA controller is quite similar to the one present on the DA850
SoC, but the PHY configuration is different and it supports two HBA
ports.

The IP suffers from the same PMP issue the DA850 does - if we enable
PMP but don't use it - softreset fails. Appropriate workaround was
implemented in this driver as well.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
 drivers/ata/Kconfig      |   9 +++
 drivers/ata/Makefile     |   1 +
 drivers/ata/ahci_dm816.c | 200 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 210 insertions(+)
 create mode 100644 drivers/ata/ahci_dm816.c

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 70b57d2..7f59a7a 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -118,6 +118,15 @@ config AHCI_DA850

 	  If unsure, say N.

+config AHCI_DM816
+	tristate "DaVinci DM816 AHCI SATA support"

   Is it really DaVinci?

+	depends on ARCH_OMAP2PLUS

   Especially if it depends on OMAP...

[...]

MBR, Sergei

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