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-rw-r--r--package/kernel/lantiq/ltq-adsl-mei/src/lantiq_mei.c53
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));