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author | 2019-12-22 15:10:28 +0100 | |
---|---|---|
committer | 2020-01-09 19:12:40 +0100 | |
commit | 6d3ba7616347d3787f361bd7f2fcf8f01bf52c2a (patch) | |
tree | c969f17866f0441ff792858bdd0486224cd956e6 /drivers/memory | |
parent | memory: tegra: Add per-SoC data for Tegra186 (diff) | |
download | linux-6d3ba7616347d3787f361bd7f2fcf8f01bf52c2a.tar.gz linux-6d3ba7616347d3787f361bd7f2fcf8f01bf52c2a.tar.bz2 linux-6d3ba7616347d3787f361bd7f2fcf8f01bf52c2a.zip |
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: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/memory')
-rw-r--r-- | drivers/memory/tegra/tegra186.c | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index ad5c353dba6e..57895116c8e5 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -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; } |