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arm64 cannot handle unaligned readl

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internal
2024-02-08 22:57:40 +01:00
parent 09021aec73
commit 690289c338
1 changed files with 3 additions and 2 deletions
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5
ddbridge/ddbridge-ci.c
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@@ -45,14 +45,15 @@ static int read_attribute_mem(struct dvb_ca_en50221 *ca,
int slot, int address)
{
struct ddb_ci *ci = ca->data;
u32 val, off = (address >> 1) & (CI_BUFFER_SIZE - 1);
u32 off = (address >> 1) & (CI_BUFFER_SIZE - 1);
u8 val;
if (address > CI_BUFFER_SIZE)
return -1;
ddbwritel(ci->port->dev, CI_READ_CMD | (1 << 16) | address,
CI_DO_READ_ATTRIBUTES(ci));
wait_ci_ready(ci);
val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off);
ddbcpyfrom(ci->port->dev, &val, CI_BUFFER(ci->nr) + off, 1);
return val;
}