Re: [U-Boot-Users] [PATCH 2/4] Add lmb_free

On 15:24 Tue 20 May , Andy Fleming wrote:

lmb_free allows us to unreserve some memory so we can use lmb_alloc_base or lmb_reserve to temporarily reserve some memory.

Signed-off-by: Andy Fleming afleming@freescale.com

lib_generic/lmb.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/lib_generic/lmb.c b/lib_generic/lmb.c index 3b8c805..a34e2d3 100644 --- a/lib_generic/lmb.c +++ b/lib_generic/lmb.c @@ -180,6 +180,55 @@ long lmb_add(struct lmb *lmb, ulong base, ulong size) return lmb_add_region(_rgn, base, size); }

+long lmb_free(struct lmb *lmb, u64 base, u64 size) +{

• struct lmb_region *rgn = &(lmb->reserved);
• u64 rgnbegin, rgnend;
• u64 end = base + size;
• int i;
• rgnbegin = rgnend = 0; /* supress gcc warnings */
• /* Find the region where (base, size) belongs to */
• for (i=0; i < rgn->cnt; i++) {

please i = 0

• rgnbegin = rgn->region[i].base;
  

• rgnend = rgnbegin + rgn->region[i].size;
  

• if ((rgnbegin <= base) && (end <= rgnend))
  

• 	break;
  

Best Regards, J.