[PATCH] PCI: keystone: update to support multiple pci ports
Arnd Bergmann
arnd at arndb.de
Fri Sep 5 10:54:58 PDT 2014
On Friday 05 September 2014 13:39:42 Murali Karicheri wrote:
> +
> /* enable RC mode in devcfg */
> val = readl(reg_p);
> - val &= ~PCIE_MODE_MASK;
> - val |= PCIE_RC_MODE;
> + port_id <<= 1;
> + val &= ~(PCIE_MODE_MASK << port_id);
> + val |= (PCIE_RC_MODE << port_id);
> writel(val, reg_p);
> + devm_iounmap(dev, reg_p);
> + devm_release_mem_region(dev, res->start, resource_size(res));
This looks like it's a shared register of some sort that doesn't
really belong into the registers of a particular port. Could it
be that it's actually for the PHY?
Arnd
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