struct sfdp_bfpt bfpt;
size_t len;
int i, cmd, err;
- u32 addr;
+ u32 addr, val;
u16 half;
u8 erase_mask;
}
/* Flash Memory Density (in bits). */
- params->size = bfpt.dwords[BFPT_DWORD(2)];
- if (params->size & BIT(31)) {
- params->size &= ~BIT(31);
+ val = bfpt.dwords[BFPT_DWORD(2)];
+ if (val & BIT(31)) {
+ val &= ~BIT(31);
/*
* Prevent overflows on params->size. Anyway, a NOR of 2^64
* bits is unlikely to exist so this error probably means
* the BFPT we are reading is corrupted/wrong.
*/
- if (params->size > 63)
+ if (val > 63)
return -EINVAL;
- params->size = 1ULL << params->size;
+ params->size = 1ULL << val;
} else {
- params->size++;
+ params->size = val + 1;
}
params->size >>= 3; /* Convert to bytes. */
params);
/* Page size: this field specifies 'N' so the page size = 2^N bytes. */
- params->page_size = bfpt.dwords[BFPT_DWORD(11)];
- params->page_size &= BFPT_DWORD11_PAGE_SIZE_MASK;
- params->page_size >>= BFPT_DWORD11_PAGE_SIZE_SHIFT;
- params->page_size = 1U << params->page_size;
+ val = bfpt.dwords[BFPT_DWORD(11)];
+ val &= BFPT_DWORD11_PAGE_SIZE_MASK;
+ val >>= BFPT_DWORD11_PAGE_SIZE_SHIFT;
+ params->page_size = 1U << val;
/* Quad Enable Requirements. */
switch (bfpt.dwords[BFPT_DWORD(15)] & BFPT_DWORD15_QER_MASK) {