diff options
author | Jonathan Corbet <corbet@lwn.net> | 2016-12-27 12:53:44 -0700 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2016-12-27 12:53:44 -0700 |
commit | 54ab6db0909061ab7ee07233d3cab86d29f86e6c (patch) | |
tree | a7650ab5c0fa3a6a3841de8e8693041b3e009054 /arch/powerpc/sysdev/fsl_soc.c | |
parent | 217e2bfab22e740227df09f22165e834cddd8a3b (diff) | |
parent | 7ce7d89f48834cefece7804d38fc5d85382edf77 (diff) |
Merge tag 'v4.10-rc1' into docs-next
Linux 4.10-rc1
Diffstat (limited to 'arch/powerpc/sysdev/fsl_soc.c')
-rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 48 |
1 files changed, 13 insertions, 35 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index d93056eedcb0..19101f9cfcfc 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -77,13 +77,10 @@ phys_addr_t get_immrbase(void) EXPORT_SYMBOL(get_immrbase); -static u32 sysfreq = -1; - u32 fsl_get_sys_freq(void) { + static u32 sysfreq = -1; struct device_node *soc; - const u32 *prop; - int size; if (sysfreq != -1) return sysfreq; @@ -92,12 +89,9 @@ u32 fsl_get_sys_freq(void) if (!soc) return -1; - prop = of_get_property(soc, "clock-frequency", &size); - if (!prop || size != sizeof(*prop) || *prop == 0) - prop = of_get_property(soc, "bus-frequency", &size); - - if (prop && size == sizeof(*prop)) - sysfreq = *prop; + of_property_read_u32(soc, "clock-frequency", &sysfreq); + if (sysfreq == -1 || !sysfreq) + of_property_read_u32(soc, "bus-frequency", &sysfreq); of_node_put(soc); return sysfreq; @@ -106,23 +100,17 @@ EXPORT_SYMBOL(fsl_get_sys_freq); #if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx) -static u32 brgfreq = -1; - u32 get_brgfreq(void) { + static u32 brgfreq = -1; struct device_node *node; - const unsigned int *prop; - int size; if (brgfreq != -1) return brgfreq; node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg"); if (node) { - prop = of_get_property(node, "clock-frequency", &size); - if (prop && size == 4) - brgfreq = *prop; - + of_property_read_u32(node, "clock-frequency", &brgfreq); of_node_put(node); return brgfreq; } @@ -135,15 +123,11 @@ u32 get_brgfreq(void) node = of_find_node_by_type(NULL, "qe"); if (node) { - prop = of_get_property(node, "brg-frequency", &size); - if (prop && size == 4) - brgfreq = *prop; - - if (brgfreq == -1 || brgfreq == 0) { - prop = of_get_property(node, "bus-frequency", &size); - if (prop && size == 4) - brgfreq = *prop / 2; - } + of_property_read_u32(node, "brg-frequency", &brgfreq); + if (brgfreq == -1 || !brgfreq) + if (!of_property_read_u32(node, "bus-frequency", + &brgfreq)) + brgfreq /= 2; of_node_put(node); } @@ -152,10 +136,9 @@ u32 get_brgfreq(void) EXPORT_SYMBOL(get_brgfreq); -static u32 fs_baudrate = -1; - u32 get_baudrate(void) { + static u32 fs_baudrate = -1; struct device_node *node; if (fs_baudrate != -1) @@ -163,12 +146,7 @@ u32 get_baudrate(void) node = of_find_node_by_type(NULL, "serial"); if (node) { - int size; - const unsigned int *prop = of_get_property(node, - "current-speed", &size); - - if (prop) - fs_baudrate = *prop; + of_property_read_u32(node, "current-speed", &fs_baudrate); of_node_put(node); } |