diff options
| -rw-r--r-- | arch/powerpc/sysdev/cpm1.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm2.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm_common.c | 15 | ||||
| -rw-r--r-- | drivers/soc/fsl/qe/qe_common.c | 8 |
4 files changed, 23 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 3c0eb9b25535..986cd111d4df 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -233,8 +233,6 @@ void __init cpm_reset(void) else out_be32(&siu_conf->sc_sdcr, 1); immr_unmap(siu_conf); - - cpm_muram_init(); } static DEFINE_SPINLOCK(cmd_lock); diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c index 8dc1e24f3c23..f78ff841652c 100644 --- a/arch/powerpc/sysdev/cpm2.c +++ b/arch/powerpc/sysdev/cpm2.c @@ -66,10 +66,6 @@ void __init cpm2_reset(void) cpm2_immr = ioremap(get_immrbase(), CPM_MAP_SIZE); #endif - /* Reclaim the DP memory for our use. - */ - cpm_muram_init(); - /* Tell everyone where the comm processor resides. */ cpmp = &cpm2_immr->im_cpm; diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index 947f42007734..51bf749a4f3a 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -37,6 +37,21 @@ #include <linux/of_gpio.h> #endif +static int __init cpm_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,cpm1"); + if (!np) + np = of_find_compatible_node(NULL, NULL, "fsl,cpm2"); + if (!np) + return -ENODEV; + cpm_muram_init(); + of_node_put(np); + return 0; +} +subsys_initcall(cpm_init); + #ifdef CONFIG_PPC_EARLY_DEBUG_CPM static u32 __iomem *cpm_udbg_txdesc; static u8 __iomem *cpm_udbg_txbuf; diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index 41eff805a904..104e68d9b84f 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -70,6 +70,11 @@ int cpm_muram_init(void) } muram_pool = gen_pool_create(0, -1); + if (!muram_pool) { + pr_err("Cannot allocate memory pool for CPM/QE muram"); + ret = -ENOMEM; + goto out_muram; + } muram_pbase = of_translate_address(np, zero); if (muram_pbase == (phys_addr_t)OF_BAD_ADDR) { pr_err("Cannot translate zero through CPM muram node"); @@ -116,6 +121,9 @@ static unsigned long cpm_muram_alloc_common(unsigned long size, struct muram_block *entry; unsigned long start; + if (!muram_pool && cpm_muram_init()) + goto out2; + start = gen_pool_alloc_algo(muram_pool, size, algo, data); if (!start) goto out2; |