-----------------------------
Eaton Industries (France) S.A.S ~ Siège social: 110 Rue Blaise Pascal, Immeuble 
Le Viséo - Bâtiment A Innovallée, 38330, Montbonnot-St.-Martin, France ~ Lieu 
d'enregistrement au registre du commerce: Grenoble ~ Numéro d'enregistrement: 
509 653 176 ~ Capital social souscrit et liberé:€ 16215441 ~ Numéro de TVA: 
FR47509653176
਍
-----------------------------

-----Message d'origine-----
De : Greg Kroah-Hartman [mailto:[email protected]] 
Envoyé : lundi 25 juillet 2016 22:56
À : [email protected]
Cc : Greg Kroah-Hartman; [email protected]; Ocquidant, Sebastien; Roger 
Quadros
Objet : [PATCH 4.6 143/203] memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing

4.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ocquidant, Sebastien <[email protected]>

commit 8f50b8e57442d28e41bb736c173d8a2490549a82 upstream.

In the omap gpmc driver it can be noticed that GPMC_CONFIG4_OEEXTRADELAY is 
overwritten by the WEEXTRADELAY value from the device tree and 
GPMC_CONFIG4_WEEXTRADELAY is not updated by the value from the device tree.

As a consequence, the memory accesses cannot be configured properly when the 
extra delay are needed for OE and WE.

Fix the update of GPMC_CONFIG4_WEEXTRADELAY with the value from the device tree 
file and prevents GPMC_CONFIG4_OEXTRADELAY being overwritten by the WEXTRADELAY 
value from the device tree.

Signed-off-by: Ocquidant, Sebastien <[email protected]>
Signed-off-by: Roger Quadros <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/memory/omap-gpmc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -394,7 +394,7 @@ static void gpmc_cs_bool_timings(int cs,
        gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,
                           GPMC_CONFIG4_OEEXTRADELAY, p->oe_extra_delay);
        gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,
-                          GPMC_CONFIG4_OEEXTRADELAY, p->we_extra_delay);
+                          GPMC_CONFIG4_WEEXTRADELAY, p->we_extra_delay);
        gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,
                           GPMC_CONFIG6_CYCLE2CYCLESAMECSEN,
                           p->cycle2cyclesamecsen);

========================================================================================

Hi Greg,

OK for me

Sébastien Ocquidant

Reply via email to