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    Subject[PATCH 4/4] net: stmmac: socfpga: Use shared System Manager driver
    Date
    From: Thor Thayer <thor.thayer@linux.intel.com>

    The ARM64 System Manager requires a different method of reading
    the System Manager than ARM32. A new System Manager driver was
    created to steer ARM32 System Manager calls to syscon and ARM64
    System Manager calls to the new access method.

    Convert from syscon to the shared System Manager driver so that
    both ARM64 and ARM32 are supported.

    Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
    ---
    drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
    index 5b3b06a0a3bf..743c7f471edb 100644
    --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
    +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
    @@ -15,6 +15,7 @@
    * Adopted from dwmac-sti.c
    */

    +#include <linux/mfd/altera-sysmgr.h>
    #include <linux/mfd/syscon.h>
    #include <linux/of.h>
    #include <linux/of_address.h>
    @@ -114,7 +115,8 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *

    dwmac->interface = of_get_phy_mode(np);

    - sys_mgr_base_addr = syscon_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon");
    + sys_mgr_base_addr =
    + altr_sysmgr_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon");
    if (IS_ERR(sys_mgr_base_addr)) {
    dev_info(dev, "No sysmgr-syscon node found\n");
    return PTR_ERR(sys_mgr_base_addr);
    --
    2.7.4
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