[PATCH v1 09/10] pci: Add driver for Broadcom STB PCIe controller

[Nicolas Saenz Julienne <nsaenzjulienne@suse.de>]

Hi Sylwester,

On Fri, 2020-04-24 at 18:50 +0200, Sylwester Nawrocki wrote:
> This patch adds basic driver for the Broadcom STB PCIe host controller.
> The code is based on Linux upstream driver (pcie-brcmstb.c) with MSI
> handling removed. The inbound access memory region is not currently
> parsed from dma-ranges DT property and a fixed 4GB region is used.
> 
> The patch has been tested on RPI4 board, i.e. on BCM2711 SoC with VL805
> USB Host Controller.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> ---
> Changes since RFC:
>  - reworked to align with current Linux mainline version and u-boot driver
>    by Nicolas Saenz Julienne

[...]

> +
> +	/*
> +	 * For config space accesses on the RC, show the right class for
> +	 * a PCIe-PCIe bridge (the default setting is to be EP mode).
> +	 */
> +	tmp = readl(base + PCIE_RC_CFG_PRIV1_ID_VAL3);
> +	u32p_replace_bits(&tmp, 0x060400,
> +			  PCIE_RC_CFG_PRIV1_ID_VAL3_CLASS_CODE_MASK);
> +	writel(tmp, base + PCIE_RC_CFG_PRIV1_ID_VAL3);
> +
> +	if (pcie->ssc) {
> +		ret = brcm_pcie_set_ssc(base);

This call should be like this:

	ret = brcm_pcie_set_ssc(pcie);

It builds alright since base is a void pointer. But it obvioulsy causes issues
further down the line.

Regards,
Nicolas

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