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dni_ag5648_sfp: read correct presence register

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This commit is contained in:
Tobias Jungel
2018-10-08 11:16:12 +02:00
parent f33497b987
commit ee3505a380
1 changed files with 7 additions and 5 deletions
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12
packages/platforms/delta/x86-64/x86-64-delta-ag5648/modules/builds/dni_ag5648_sfp.c
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@@ -308,8 +308,9 @@ static ssize_t for_status(struct device *dev, struct device_attribute *dev_attr,
u8 cpld_addr_t = 0x00;
int values[8] = {'\0'};
int bit_t = 0x00;
switch (attr->index)
int offset = 0;
switch (attr->index)
{
case SFP_IS_PRESENT:
port_t = sfp_port_data;
@@ -343,8 +344,9 @@ static ssize_t for_status(struct device *dev, struct device_attribute *dev_attr,
{ /* SFP Port 37-44 */
cpld_addr_t = MASTER_CPLD;
reg_t = SFP_PRESENCE_6;
}
else if (port_t > 44 && port_t < 49)
offset = 4;
}
else if (port_t > 44 && port_t < 49)
{ /* SFP Port 45-48 */
cpld_addr_t = MASTER_CPLD;
reg_t = SFP_PRESENCE_7;
@@ -364,7 +366,7 @@ static ssize_t for_status(struct device *dev, struct device_attribute *dev_attr,
cpld_addr_t, reg_t), 0);
/* SWPLD QSFP module respond */
bit_t = 1 << ((port_t - 1) % 8);
bit_t = 1 << ((port_t - offset - 1) % 8);
values[0] = values[0] & bit_t;
values[0] = values[0] / bit_t;