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PCI: exynos: Remove duplicated code 

Remove duplicated register reads and writes.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
This commit is contained in:
Jaehoon Chung 2017-01-16 15:31:38 +09:00 committed by Bjorn Helgaas
parent 2681c0e7ff
commit 92004a0648
1 changed files with 8 additions and 14 deletions
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22
drivers/pci/host/pci-exynos.c
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@ -116,30 +116,24 @@ static void exynos_pcie_sideband_dbi_w_mode(struct exynos_pcie *ep, bool on)
{ {
u32 val; u32 val;
if (on) { val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_AWMISC);
val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_AWMISC); if (on)
val |= PCIE_ELBI_SLV_DBI_ENABLE; val |= PCIE_ELBI_SLV_DBI_ENABLE;
exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_AWMISC); else
} else {
val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_AWMISC);
val &= ~PCIE_ELBI_SLV_DBI_ENABLE; val &= ~PCIE_ELBI_SLV_DBI_ENABLE;
exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_AWMISC); exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_AWMISC);
}
} }
static void exynos_pcie_sideband_dbi_r_mode(struct exynos_pcie *ep, bool on) static void exynos_pcie_sideband_dbi_r_mode(struct exynos_pcie *ep, bool on)
{ {
u32 val; u32 val;
if (on) { val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_ARMISC);
val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_ARMISC); if (on)
val |= PCIE_ELBI_SLV_DBI_ENABLE; val |= PCIE_ELBI_SLV_DBI_ENABLE;
exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_ARMISC); else
} else {
val = exynos_pcie_readl(ep->elbi_base, PCIE_ELBI_SLV_ARMISC);
val &= ~PCIE_ELBI_SLV_DBI_ENABLE; val &= ~PCIE_ELBI_SLV_DBI_ENABLE;
exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_ARMISC); exynos_pcie_writel(ep->elbi_base, val, PCIE_ELBI_SLV_ARMISC);
}
} }
static void exynos_pcie_assert_core_reset(struct exynos_pcie *ep) static void exynos_pcie_assert_core_reset(struct exynos_pcie *ep)