On 06/11/2012 09:05 AM, Thierry Reding wrote:
> This commit adds a platform device driver for the PCIe controller on
> Tegra SOCs. Current users of the old code (TrimSlice and Harmony) are
> converted and now initialize and register a corresponding platform
> device.
> -static int tegra_pcie_clocks_get(void)
> +static int tegra_pcie_clocks_get(struct tegra_pcie_info *pcie)
> {
> int err;
>
> - tegra_pcie.pex_clk = clk_get(NULL, "pex");
> - if (IS_ERR(tegra_pcie.pex_clk))
> - return PTR_ERR(tegra_pcie.pex_clk);
> + pcie->pex_clk = clk_get(NULL, "pex");
> + if (IS_ERR(pcie->pex_clk))
> + return PTR_ERR(pcie->pex_clk);
While we're changing this, can we convert this to devm_clk_get(), and ...
> - tegra_pcie.regs = ioremap_nocache(TEGRA_PCIE_BASE, PCIE_IOMAP_SZ);
> - if (tegra_pcie.regs == NULL) {
> - pr_err("PCIE: Failed to map PCI/AFI registers\n");
> + regs = request_mem_region(regs->start, resource_size(regs), "PCI/AFI");
> + if (regs == NULL) {
> + dev_err(&pdev->dev, "failed to request PCI/AFI region: %d\n", err);
> + goto err_req_reg;
> + }
> +
> + pcie->regs = ioremap_nocache(regs->start, resource_size(regs));
> + if (pcie->regs == NULL) {
> + dev_err(&pdev->dev, "failed to map PCI/AFI registers\n");
> err = -ENOMEM;
> goto err_map_reg;
> }
... that to devm_request_and_ioremap(). That would allow a bunch of the
cleanup code to be deleted rather than just modified.
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