Commit 6d3ba761 authored by Thierry Reding's avatar Thierry Reding
Browse files

memory: tegra: Extract memory client SID programming 



Move programming of the memory client to SID mapping into a separate
function so that it can be reused from multiple call sites.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 7d723c03

drivers/memory/tegra/tegra186.c

+27 −22
Original line number Diff line number Diff line
@@ -32,6 +32,32 @@ struct tegra186_mc { 
	const struct tegra186_mc_soc *soc;

};



static void tegra186_mc_program_sid(struct tegra186_mc *mc)

{

	unsigned int i;



	for (i = 0; i < mc->soc->num_clients; i++) {

		const struct tegra186_mc_client *client = &mc->soc->clients[i];

		u32 override, security;



		override = readl(mc->regs + client->regs.override);

		security = readl(mc->regs + client->regs.security);



		dev_dbg(mc->dev, "client %s: override: %x security: %x\n",

			client->name, override, security);



		dev_dbg(mc->dev, "setting SID %u for %s\n", client->sid,

			client->name);

		writel(client->sid, mc->regs + client->regs.override);



		override = readl(mc->regs + client->regs.override);

		security = readl(mc->regs + client->regs.security);



		dev_dbg(mc->dev, "client %s: override: %x security: %x\n",

			client->name, override, security);

	}

}



static const struct tegra186_mc_client tegra186_mc_clients[] = {

	{

		.name = "ptcr",
@@ -549,7 +575,6 @@ static int tegra186_mc_probe(struct platform_device *pdev) 
{

	struct tegra186_mc *mc;

	struct resource *res;

	unsigned int i;

	int err;



	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);
@@ -565,28 +590,8 @@ static int tegra186_mc_probe(struct platform_device *pdev) 


	mc->dev = &pdev->dev;



	for (i = 0; i < mc->soc->num_clients; i++) {

		const struct tegra186_mc_client *client = &mc->soc->clients[i];

		u32 override, security;



		override = readl(mc->regs + client->regs.override);

		security = readl(mc->regs + client->regs.security);



		dev_dbg(&pdev->dev, "client %s: override: %x security: %x\n",

			client->name, override, security);



		dev_dbg(&pdev->dev, "setting SID %u for %s\n", client->sid,

			client->name);

		writel(client->sid, mc->regs + client->regs.override);



		override = readl(mc->regs + client->regs.override);

		security = readl(mc->regs + client->regs.security);



		dev_dbg(&pdev->dev, "client %s: override: %x security: %x\n",

			client->name, override, security);

	}



	platform_set_drvdata(pdev, mc);

	tegra186_mc_program_sid(mc);



	return err;

}