diff options
| -rw-r--r-- | package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c b/package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c index 443b9d90ac..561b300710 100644 --- a/package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c +++ b/package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c @@ -1513,13 +1513,31 @@ IFX_MEI_DFEMemoryAlloc (DSL_DEV_Device_t * pDev, long size) allocate_size = size; else allocate_size = SDRAM_SEGMENT_SIZE; - org_mem_ptr = kmalloc (allocate_size + 1024, GFP_KERNEL); + + org_mem_ptr = kmalloc (allocate_size, GFP_KERNEL); if (org_mem_ptr == NULL) { IFX_MEI_EMSG ("%d: kmalloc %d bytes memory fail!\n", idx, allocate_size); err = -ENOMEM; goto allocate_error; } - mem_ptr = (unsigned long) (org_mem_ptr + 1023) & ~(1024 -1); + + if (((unsigned long)org_mem_ptr) & (1023)) { + /* Pointer not 1k aligned, so free it and allocate a larger chunk + * for further alignment. + */ + kfree(org_mem_ptr); + org_mem_ptr = kmalloc (allocate_size + 1024, GFP_KERNEL); + if (org_mem_ptr == NULL) { + IFX_MEI_EMSG ("%d: kmalloc %d bytes memory fail!\n", + idx, allocate_size + 1024); + err = -ENOMEM; + goto allocate_error; + } + mem_ptr = (unsigned long) (org_mem_ptr + 1023) & ~(1024 -1); + } else { + mem_ptr = (unsigned long) org_mem_ptr; + } + adsl_mem_info[idx].address = (char *) mem_ptr; adsl_mem_info[idx].org_address = org_mem_ptr; adsl_mem_info[idx].size = allocate_size; @@ -1591,6 +1609,7 @@ DSL_BSP_FWDownload (DSL_DEV_Device_t * pDev, const char *buf, size_t nRead = 0, nCopy = 0; char *mem_ptr; + char *org_mem_ptr = NULL; ssize_t retval = -ENOMEM; int idx = 0; @@ -1634,17 +1653,33 @@ DSL_BSP_FWDownload (DSL_DEV_Device_t * pDev, const char *buf, DSL_DEV_PRIVATE(pDev)->img_hdr = (ARC_IMG_HDR *) adsl_mem_info[0].address; - adsl_mem_info[XDATA_REGISTER].org_address = kmalloc (SDRAM_SEGMENT_SIZE + 1024, GFP_KERNEL); - adsl_mem_info[XDATA_REGISTER].address = - (char *) ((unsigned long) (adsl_mem_info[XDATA_REGISTER].org_address + 1023) & 0xFFFFFC00); - - adsl_mem_info[XDATA_REGISTER].size = SDRAM_SEGMENT_SIZE; - - if (adsl_mem_info[XDATA_REGISTER].address == NULL) { + org_mem_ptr = kmalloc (SDRAM_SEGMENT_SIZE, GFP_KERNEL); + if (org_mem_ptr == NULL) { IFX_MEI_EMSG ("kmalloc memory fail!\n"); retval = -ENOMEM; goto error; } + + if (((unsigned long)org_mem_ptr) & (1023)) { + /* Pointer not 1k aligned, so free it and allocate a larger chunk + * for further alignment. + */ + kfree(org_mem_ptr); + org_mem_ptr = kmalloc (SDRAM_SEGMENT_SIZE + 1024, GFP_KERNEL); + if (org_mem_ptr == NULL) { + IFX_MEI_EMSG ("kmalloc memory fail!\n"); + retval = -ENOMEM; + goto error; + } + adsl_mem_info[XDATA_REGISTER].address = + (char *) ((unsigned long) (org_mem_ptr + 1023) & ~(1024 -1)); + } else { + adsl_mem_info[XDATA_REGISTER].address = org_mem_ptr; + } + + adsl_mem_info[XDATA_REGISTER].org_address = org_mem_ptr; + adsl_mem_info[XDATA_REGISTER].size = SDRAM_SEGMENT_SIZE; + adsl_mem_info[XDATA_REGISTER].type = FREE_RELOAD; IFX_MEI_DMSG("-> IFX_MEI_BarUpdate()\n"); IFX_MEI_BarUpdate (pDev, (DSL_DEV_PRIVATE(pDev)->nBar)); |