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memory: tegra: Extract memory client SID programming

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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: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-12-22 15:10:28 +01:00
parent 7d723c03e0
commit 6d3ba76163
1 changed files with 27 additions and 22 deletions
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49
drivers/memory/tegra/tegra186.c
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@ -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;
}