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| author | Tony Lindgren <tony@atomide.com> | 2019-05-20 17:33:03 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-05-20 17:33:03 +0200 |
| commit | 4ee23cd76c0ce8622976b3da0e2bc89e6d94f6d4 (patch) | |
| tree | e5b450b8531cc34d4eb5a4e50c9dee064c840ef7 /drivers/bus | |
| parent | Merge branch 'fixes-dra7' into fixes (diff) | |
| parent | bus: ti-sysc: Handle devices with no control registers (diff) | |
| download | linux-4ee23cd76c0ce8622976b3da0e2bc89e6d94f6d4.tar.xz linux-4ee23cd76c0ce8622976b3da0e2bc89e6d94f6d4.zip | |
Merge branch 'omap-for-v5.2/ti-sysc' into fixes
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 308475ed4b32..b72741668c92 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -660,12 +660,6 @@ static int sysc_check_registers(struct sysc *ddata) nr_regs++; } - if (nr_regs < 1) { - dev_err(ddata->dev, "missing registers\n"); - - return -EINVAL; - } - if (nr_matches > nr_regs) { dev_err(ddata->dev, "overlapping registers: (%i/%i)", nr_regs, nr_matches); @@ -691,12 +685,18 @@ static int sysc_ioremap(struct sysc *ddata) { int size; - size = max3(ddata->offsets[SYSC_REVISION], - ddata->offsets[SYSC_SYSCONFIG], - ddata->offsets[SYSC_SYSSTATUS]); + if (ddata->offsets[SYSC_REVISION] < 0 && + ddata->offsets[SYSC_SYSCONFIG] < 0 && + ddata->offsets[SYSC_SYSSTATUS] < 0) { + size = ddata->module_size; + } else { + size = max3(ddata->offsets[SYSC_REVISION], + ddata->offsets[SYSC_SYSCONFIG], + ddata->offsets[SYSC_SYSSTATUS]); - if (size < 0 || (size + sizeof(u32)) > ddata->module_size) - return -EINVAL; + if ((size + sizeof(u32)) > ddata->module_size) + return -EINVAL; + } ddata->module_va = devm_ioremap(ddata->dev, ddata->module_pa, @@ -1128,7 +1128,6 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK("cpgmac", 0, 0x1200, 0x1208, 0x1204, 0x4edb1902, 0xffff00f0, 0), SYSC_QUIRK("dcan", 0, 0, -1, -1, 0xffffffff, 0xffffffff, 0), - SYSC_QUIRK("dcan", 0, 0, -1, -1, 0x00001401, 0xffffffff, 0), SYSC_QUIRK("dmic", 0, 0, 0x10, -1, 0x50010000, 0xffffffff, 0), SYSC_QUIRK("dwc3", 0, 0, 0x10, -1, 0x500a0200, 0xffffffff, 0), SYSC_QUIRK("epwmss", 0, 0, 0x4, -1, 0x47400001, 0xffffffff, 0), |